Dr. Valery D. Petrov Profile

Dr. Valery D. Petrov

at Holographic Lab

SPIE Involvement:

Author

Publications (33)

Proceedings Article | 30 May 2003 Paper

Holography and laser speckle metrology in the aerospace industries, in-orbit research, and planetary investigations in the 21st century

Valery Petrov

Proceedings Volume 5144, (2003) https://doi.org/10.1117/12.499946

KEYWORDS: Holography, Holograms, Space operations, Holographic interferometry, Data acquisition, Aerospace engineering, Speckle metrology, Laser metrology, Planets, Semiconductor lasers

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Review of holographic terrestrial aerospace research and in-orbit holograpic investigations performed in microgravity conditions during the last century is given. Terrestrial aerospace research by means of opto-digital laser speckle metrology is considered. The prospects of holographic in-orbit research in the 21st century are regarded. Outlook for holographic research during future interplanetary missions in the 21st century is discussed. Advanced holographic techniques are presented. These innovative techniques suit ideally for monitoring of various physical processes, studying of vibrations and static deformations, testing of microelectronics and MEMS. They enable quite novel possibilities of rapid, elegant, high volume production of holograms and holographic interferograms both in the terrestrial environments (industrial, natural outdoor environments) and in microgravity outside the Earth. Advanced holographic techniques are so simple that their usage in the planetary environments of the future space missions seems quite natural. They can be used right now for holographic research aboard currently orbiting International Space Station. Advanced holographic techniques might be utilized quite soon on Mars. One of the early variants of advanced techniques invented by this author was used to obtain the first ever holograms and holographic interferograms of different physical phenomena outside the Earth aboard navigating spaceships. The unique feature of innovative techniques is the possibility to work in real time in situ. It is possible to obtain holograms and holographic interferograms in any brightly lit environment, including sunlit environments. The last might be very important in the future planetary missions. Holographic minirobot for planet-based investigations is proposed. Quite novel modifications of advanced techniques permit to process holographically tremendous amounts of data per second; far exceeding near future potentialities of sophisticated computer systems applied to the tasks of 3-dimensional imaging or to the tasks of optical metrology. Experimental data properly illustrating novel vast possibilities and prospects for the future in-orbit and interplanetary space research are presented.

Proceedings Article | 21 April 2003 Paper

Holographic study of microsystems during space missions in the 21st century

Valery Petrov

Proceedings Volume 5117, (2003) https://doi.org/10.1117/12.499434

KEYWORDS: Holography, Holograms, Microsystems, Space operations, Holographic interferometry, Data acquisition, Aerospace engineering, Microelectromechanical systems, Microelectronics, Silver

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Proceedings Article | 5 September 2002 Paper

Holgraphic research outside the Earth in the 21st century: trends and prospects

Valery Petrov

Proceedings Volume 4913, (2002) https://doi.org/10.1117/12.482211

KEYWORDS: Holography, Digital holography, Holograms, Holographic interferometry, Space operations, Speckle metrology, Data acquisition, Speckle, Shearography, CCD image sensors

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Proceedings Article | 22 May 2002 Paper

International Space Station: state of the art and novel possibilities for onboard research by means of holography and speckle metrology

Valery Petrov

Proceedings Volume 4827, (2002) https://doi.org/10.1117/12.468148

KEYWORDS: Holography, Holograms, Digital holography, Holographic interferometry, Photography, Silver, Data acquisition, Speckle metrology, Speckle, Nd:YAG lasers

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Proceedings Article | 22 May 2002 Paper

Holography with semiconductor laser sources applied to art conservation

Valery Petrov

Proceedings Volume 4827, (2002) https://doi.org/10.1117/12.468152

KEYWORDS: Holography, Holograms, Semiconductor lasers, Photography, Data acquisition, Holographic interferometry, 3D image reconstruction, Visible radiation, Nd:YAG lasers, Interferometry

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Proceedings Article | 4 October 2001 Paper

Very small portable holographic interferometers and compact speckle interferometer with semiconductor laser sources well suited for industrial inspections

Valery Petrov

Proceedings Volume 4564, (2001) https://doi.org/10.1117/12.444077

KEYWORDS: Semiconductor lasers, Holography, Holograms, Inspection, Holographic interferometry, Data acquisition, Visible radiation, Speckle metrology, Photography, Digital holography

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Proceedings Article | 2 October 2001 Paper

Holographic rapid access system for onboard testing of MEMS in microgravity

Valery Petrov

Proceedings Volume 4558, (2001) https://doi.org/10.1117/12.443017

KEYWORDS: Holography, Holograms, Digital holography, Holographic interferometry, Photography, Silver, Speckle, Data acquisition, Liquids, Nd:YAG lasers

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Proceedings Article | 21 September 1999 Paper

ESPI with holographically stored waves and other innovative ESPI methods used for real-time monitoring of dynamic thermal deformations in a practical industrial environment

Valery Petrov, Bernhard Lau

Proceedings Volume 3824, (1999) https://doi.org/10.1117/12.364277

KEYWORDS: Holographic optical elements, Holography, Cameras, Optical components, Scattering, Speckle pattern, Sensors, Laser scattering, Refraction, Semiconductor lasers

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Electronic speckle pattern interferometry (ESPI) is a rapidly developing optoelectronic method of nondestructive laser metrology supported with computer evaluations. It permits measurement of deformations in the micrometer and submicrometer ranges produced by an electrical signal, heating, mechanical stress or another load. Though the method seems very friendly for industrial checks it has several drawbacks which prevent its application in real industrial environment: complexity, bulkiness and high costs of optical setups, difficulties in aligning of the optical elements. There are problems in working outside the laboratory especially due to high sensitivity of ESPI devices against environmental vibrations and daylight. The method of ESPI with holographically stored waves was introduced by these authors in 1995. It permitted to avoid all drawbacks mentioned above and to build an elegant, portable ESPI device with 2 optical components only: a HOE and a plane mirror. The device works very well with different test specimens subjected to deformations and vibrations. It was found that the method and the device also suit well for quasi-real time monitoring of dynamic thermal deformations. Such a novel possibility of ESPI to monitor temporal development of deformations due to electrical heating of electronic components populating a printed circuit board (PCB) and to locate a component subjected to excessive heating is presented in this work for the first time. Temporal development of deformations of the same PCB were monitored in quasi-real time in other innovative ESPI devices also originating from our laboratory. These portable, compact devices utilize alternative physical principles for combining of object and reference ESPI waves and guiding them to the sensor of the CCD camera. Such novel devices also ensure proper acquisition and documentation of temporal development of deformations and dynamics of propagation of thermal waves. Vast experimental data properly illustrating the possibilities of the novel methods are presented.

Proceedings Article | 26 August 1999 Paper

Humans, animals, robots: handling volumic data flows

Valery Petrov

Proceedings Volume 3837, (1999) https://doi.org/10.1117/12.360319

KEYWORDS: Eye, Brain, Data acquisition, Sensors, Robots, Robot vision, Holography, Neuroimaging, Visualization, Holograms

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Proceedings Article | 27 April 1999 Paper

Compact and simple ESPI devices for testing of materials and components in microelectronic manufacturing

Valery Petrov, Robert Denker, Bernhard Lau

Proceedings Volume 3743, (1999) https://doi.org/10.1117/12.346912

KEYWORDS: Cameras, Holographic optical elements, Speckle pattern, Sensors, Optical components, Holography, Scattering, Microelectronics, Objectives, Diffusers

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With the increasing packaging density of electronic components in the integrated circuits (IC) as well as on the printed circuit boards the problems with heat dissipation also increase. Electronic speckle pattern interferometry (ESPI) is a rapidly developing optoelectronic method of nondestructive laser metrology supported with computer evaluations. It permits measurements of deformations in the micrometer and submicrometer ranges produced by an electrical signal, heating, mechanical stress or another load. Though these method seems very friendly for testing microelectronic components, composite materials, miniature devices, circuit boards, wafers etc., it has several drawbacks which prevent its application in real industrial environment: complexity, bulkiness and high costs of optical setups, difficulties in aligning of the optical elements. There are problems in working outside the laboratory especially due to high sensitivity of ESPI devices against environmental vibrations and daylight. We present several methods ESPI based on which a family of devices was built. Their unique properties permit to avoid all drawbacks mentioned above. These devices are extremely simple and compact. They are easily aligned and operated even by persons who are not skilled in optics. These devices are ideally suited for working outside the laboratory even by persons who are not skilled in optics. These devices are ideally suited for working outside the laboratory for example in a well-lit industrial environment. The innovative devices permit to measure deformations both in the plane of the object surface and perpendicular to it. A detailed description of the methods and devices given. Multiple examples of ESPI computer evaluations obtained in the novel devices with different small objects under test are presented. However these devices permit to work with much bigger objects if required. Our methods and devices are also suited for qualitative as well as quantitative analysis.

Proceedings Article | 27 April 1999 Paper

Advanced holography for microelectronic manufacturing: novel methods well fitted for real time in the line checks performed in the industrial environment

Valery Petrov

Proceedings Volume 3743, (1999) https://doi.org/10.1117/12.346906

KEYWORDS: Holography, Holograms, Holographic interferometry, Photography, Silver, Microelectronics, Nd:YAG lasers, Manufacturing, Interferometry, Optics manufacturing

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Proceedings Article | 4 February 1999 Paper

Drastically simplified holographic methods well suited for in-situ monitoring and process control in a practical industrial environment

Valery Petrov

Proceedings Volume 3589, (1999) https://doi.org/10.1117/12.339965

KEYWORDS: Holography, Holograms, Photography, Holographic interferometry, Speckle, Silver, Fringe analysis, Process control, Data acquisition, Liquids

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Proceedings Article | 28 January 1999 Paper

Emerging holographic techniques for advanced space research

Valery Petrov

Proceedings Volume 3586, (1999) https://doi.org/10.1117/12.339902

KEYWORDS: Holography, Holographic interferometry, Data acquisition, Holograms, Silver, Visualization, Space operations, Lenses, Crystals, Nd:YAG lasers

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SPIE Journal Paper | 1 August 1998

Electronic speckle pattern interferometry with thin beam illumination of miniature reflection and transmission "speckling" elements for in-plane deformation measurements

Valery Petrov, Bernhard Lau

OE, Vol. 37, Issue 08, (August 1998) https://doi.org/10.1117/12.10.1117/1.602008

KEYWORDS: Holographic optical elements, Speckle pattern, Interferometry, Holography, Diffusers, Reflection, Nd:YAG lasers, Holograms, Optical components, Fringe analysis

Proceedings Article | 18 June 1998 Paper

In-situ momental production of silver halide holograms, HOEs, holographic interferograms, and speckle photographs for real-time optical inspections

Valery Petrov

Proceedings Volume 3291, (1998) https://doi.org/10.1117/12.310588

KEYWORDS: Holography, Holograms, Photography, Silver, Holographic optical elements, Speckle, Optical inspection, Liquids, Nd:YAG lasers, Holographic interferometry

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Proceedings Article | 18 June 1998 Paper

Silver halide holograms and HOEs obtained in a brightly lit environment

Valery Petrov

Proceedings Volume 3291, (1998) https://doi.org/10.1117/12.310587

KEYWORDS: Holograms, Holography, Photography, Silver, Holographic optical elements, Fringe analysis, Lamps, Reflection, Neon, Nd:YAG lasers

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Proceedings Article | 1 June 1998 Paper

Advanced holography for rapid checks of vibrations in an industrial environment

Valery Petrov

Proceedings Volume 3411, (1998) https://doi.org/10.1117/12.307696

KEYWORDS: Holography, Holograms, Holographic interferometry, Photography, Silver, Composites, Reflection, Fringe analysis, Nd:YAG lasers, 3D image reconstruction

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Proceedings Article | 10 March 1998 Paper

Family of novel compact and very simple electronic speckle pattern interferometers for out-of-plane and in-plane deformation measurements

Bernhard Lau, Valery Petrov

Proceedings Volume 3348, (1998) https://doi.org/10.1117/12.302481

KEYWORDS: Holographic optical elements, Diffusers, Holography, Speckle pattern, Interferometers, Semiconductor lasers, Holograms, CCD cameras, Mirrors, Reflection

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Proceedings Article | 7 February 1997 Paper

Volumetric imaging of artificially generated data: unified concept for physical and hypothetical virtual spaces

Valery Petrov

Proceedings Volume 2949, (1997) https://doi.org/10.1117/12.266352

KEYWORDS: Stereoscopy, Imaging systems, Receivers, 3D image processing, Visual system, Data acquisition, Robotics, Space robots, Eye, Brain

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Proceedings Article | 20 December 1996 Paper

Simplest holographic technique: unsurpassed features very friendly to practical applications

Valery Petrov

Proceedings Volume 2951, (1996) https://doi.org/10.1117/12.262429

KEYWORDS: Holography, Holograms, Photography, Data acquisition, Data storage, 3D image reconstruction, Silver, Neon, Laser sources, Holographic interferometry

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Holography and holographic interferometry in spite of their attractive features are rather rarely used for industrial inspections of products and components or in medical practice due to relative complexity, costs, lengthy multi- stage procedures, need of dark rooms and vibration insulation. But the most of these drawbacks might be avoided if momental holography on silver halide (SH) media is involved. Momental technique simplifies drastically the holographic process and ensures quasi real time or real time (in situ) bright reconstructions from holograms, real time or double exposure holographic interferograms. This technique permits the user to avoid dark rooms and to work with standard office or industrial illumination of 0.5 klx or even much more. Moreover, very bright holograms and holographic interferograms might be obtained also in the street in a diffused daylight or even under strong direct sunlight illumination. High quality off-axis and reflection holograms, interferograms, HOE were obtained utilizing ruby, semiconductor, He-Ne and Ar laser sources. Agfa-Gevaert 8 E 75 HD films and plates, Russian PFG-03 and PFG-03 C (color) plates were used as recording media. Different levels of external polychromatic illumination were applied to holograms and holographic interferograms during production. Extremely high levels (more than 50 klx) were also tested. Bright holographic reconstructions were obtained even in such unpromising environment. Photographic images from such holograms are presented. One of the holograms was momentally photoprocessed in the light of projector (a few klx) during presentation of this paper at the conference 'Holographic and Diffractive Techniques' in Berlin. Another unique feature of the technique: extremely long-term storage of holographic data on SH media in latent form is shown. It relates both to holograms recorded with cw lasers and to those recorded with pulsed laser sources. The latter case is the most interesting because it was not possible previously to avoid rapid fading of latent images in pulsed holography on SH media. Finally, quite novel results and photographic images from the first SH holograms obtained with no liquid baths are presented.

Proceedings Article | 20 December 1996 Paper

Real-time speckle photography: a breakthrough

Valery Petrov

Proceedings Volume 2951, (1996) https://doi.org/10.1117/12.262421

KEYWORDS: Photography, Speckle, Holograms, Holography, Silver, Speckle metrology, 3D image reconstruction, Image sensors, Laser sources, Inspection

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Proceedings Article | 18 September 1996 Paper

Bridging the gap between electronic speckle pattern interferometry and holography

Bernhard Lau, Valery Petrov

Proceedings Volume 2782, (1996) https://doi.org/10.1117/12.250760

KEYWORDS: Holography, Speckle pattern, Holographic optical elements, Interferometry, Nondestructive evaluation, Holographic interferometry, Optical inspection, CCD cameras, Interferometers, Optical components

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Proceedings Article | 18 September 1996 Paper

Holographic data acquisition and display in real and quasi-real time: friendly for industrial inspections

Valery Petrov, Bernhard Lau

Proceedings Volume 2782, (1996) https://doi.org/10.1117/12.250759

KEYWORDS: Holography, Holograms, Data acquisition, Inspection, Silver, Optical inspection, Laser optics, Laser applications, Optoelectronics, Data processing

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Proceedings Article | 23 August 1996 Paper

Application of combined method of electronic speckle pattern interferometry and holography to vibration analysis

Bernhard Lau, Peter Kuschnir, Uwe Schmid, Valery Petrov

Proceedings Volume 2868, (1996) https://doi.org/10.1117/12.248657

KEYWORDS: Holography, Speckle pattern, Holographic optical elements, Interferometry, Vibrometry, Holographic interferometry, Semiconductor lasers, Speckle, Cameras, CCD cameras

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SPIE Journal Paper | 1 August 1996

Electronic speckle pattern interferometry with a holographically generated reference wave

Valery Petrov, Bernhard Lau

OE, Vol. 35, Issue 08, (August 1996) https://doi.org/10.1117/12.10.1117/1.600788

KEYWORDS: Holographic optical elements, Holography, Speckle pattern, Holograms, Interferometry, Cameras, Mirrors, Semiconductor lasers, Holographic interferometry, Optical components

Proceedings Article | 15 January 1996 Paper

Volumic visual perception: principally novel concept

Valery Petrov

Proceedings Volume 2628, (1996) https://doi.org/10.1117/12.230011

KEYWORDS: Brain, Receivers, Eye, Data acquisition, Visualization, Space operations, Sensors, Neuroimaging, Solids, Stereoscopy

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Proceedings Article | 15 January 1996 Paper

High-quality silver halide holograms and interferograms momentally produced in daylight environment

Valery Petrov

Proceedings Volume 2628, (1996) https://doi.org/10.1117/12.230008

KEYWORDS: Holograms, Silver, Holography, Reflection, Biomedical optics, Analog electronics, Holographic interferometry, Photography, Laser optics, Holography applications

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Proceedings Article | 17 February 1995 Paper

Optical data storage

Valery Petrov

Proceedings Volume 2451, (1995) https://doi.org/10.1117/12.201228

KEYWORDS: Optical storage, Data storage, Visualization, Computing systems, Digital recording, Photography, Holography, Silver, Databases, 3D modeling

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Proceedings Article | 15 November 1994 Paper

Computer-based three-dimensional imaging

Valery Petrov

Proceedings Volume 2248, (1994) https://doi.org/10.1117/12.194358

KEYWORDS: 3D image processing, Stereoscopy, Holography, Holograms, 3D displays, Computing systems, Solids, 3D modeling, Head, Stereo holograms

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Proceedings Article | 29 December 1993 Paper

Long-term latent image storage

Valery Petrov

Proceedings Volume 1987, (1993) https://doi.org/10.1117/12.165193

KEYWORDS: Holograms, Image storage, Holography, Diffraction, Chemistry, Visualization, Image processing, Photography, 3D image reconstruction, Field emission displays

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Proceedings Article | 29 December 1993 Paper

Unique holographic technology and its possible application to data scanning and data storage

Valery Petrov

Proceedings Volume 1987, (1993) https://doi.org/10.1117/12.165187

KEYWORDS: Holograms, Data storage, Holography, Holographic data storage systems, Reflection, Silver, Data conversion, Reflectivity, Photography, Zinc

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Proceedings Article | 29 December 1993 Paper

Three-dimensional imaging and laser scanning

Valery Petrov

Proceedings Volume 1987, (1993) https://doi.org/10.1117/12.165207

KEYWORDS: Holograms, 3D image processing, 3D modeling, Holography, Photography, 3D image reconstruction, Stereoscopy, Laser scanners, Imaging systems, Stereo holograms

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Proceedings Article | 2 March 1993 Paper

Reflection and transmission silver-halide holograms recorded and processed in white light

Valery Petrov

Proceedings Volume 1732, (1993) https://doi.org/10.1117/12.140384

KEYWORDS: Holograms, Surface plasmons, Holography, Photography, Volume holography, Reflection, Holographic interferometry, Molecules, Visualization, Helium neon lasers

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Showing 5 of 33 publications

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