Dr. Ferhat Sametoglu Profile

Dr. Ferhat Sametoglu

Researcher at TUBITAK National Metrology Institute

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 27 May 2011 Paper

Influences of colorful LED emissions on spectrophotometric properties of a LED based white light source

F. Sametoglu, O. Celikel

Proceedings Volume 8082, 80823W (2011) https://doi.org/10.1117/12.882190

KEYWORDS: Light emitting diodes, Light sources, Lamps, Line edge roughness, Temperature metrology, Manufacturing, Light, Fiber optics, Laser optics, Optical testing

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SPIE Journal Paper | 1 September 2007

Relation between the illuminance responsivity of a photometer and the spectral power distribution of a source

Ferhat Sametoglu

OE, Vol. 46, Issue 09, 093607, (September 2007) https://doi.org/10.1117/12.10.1117/1.2786888

KEYWORDS: Photometry, Head, Light emitting diodes, Light sources, Lamps, Optical engineering, Sensors, Sodium, Calibration, Diffusers

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Proceedings Article | 11 January 2006 Paper

Establishment of spectrophotometric standards based on InGaN based white LEDs

F. Samedov, O. Çelikel

Proceedings Volume 6033, 603303 (2006) https://doi.org/10.1117/12.668057

KEYWORDS: Light emitting diodes, Black bodies, Light sources, Monochromators, Lamps, Stars, Indium gallium nitride, Calibration, Mirrors, Stray light

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Proceedings Article | 12 October 2005 Paper

Determination of refractive index of liquids and glasses using developed computer controlled laser displacement method

Farhad Samedov, Ugur Kucuk, Yusuf Calkin

Proceedings Volume 5958, 59582O (2005) https://doi.org/10.1117/12.622884

KEYWORDS: Refractive index, Liquids, Sensors, Laser development, Photodiodes, Glasses, Temperature metrology, Laser sources, Electrooptic modulators, Semiconductor lasers

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Proceedings Article | 7 October 2005 Paper

Detector based luminance and illuminance measurements at UME

Yusuf Çalkin, A. Turkoglu, Ferhat Sametoglu

Proceedings Volume 5948, 59481O (2005) https://doi.org/10.1117/12.622809

KEYWORDS: Calibration, Lamps, Photometry, Head, Radiometry, Distance measurement, Optical spheres, Optical filters, Sensors, Silicon

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Proceedings Article | 13 June 2005 Paper

Filter radiometer based realization of photometric scale traceable to cryogenic radiometer at UME

Murat Durak, Farhad Samedov

Proceedings Volume 5856, (2005) https://doi.org/10.1117/12.612731

KEYWORDS: Radiometry, Sensors, Photometry, Optical filters, Lamps, Cryogenics, Optical spheres, Temperature metrology, Photodiodes, Reflectivity

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Proceedings Article | 10 January 2005 Paper

Establishment of CCD-camera-based laser-intensity stabilization system in the infrared region

Murat Durak, Farhad Samedov

Proceedings Volume 5640, (2005) https://doi.org/10.1117/12.571825

KEYWORDS: Laser stabilization, Infrared radiation, CCD cameras, Laser systems engineering, Infrared imaging, Laser optics, Beam analyzers, Indium gallium arsenide, Germanium, Infrared sensors

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SPIE Journal Paper | 1 January 2005

High-accuracy optical power measurements by using electrical-substitution cryogenic radiometer

Özcan Bazkir, Sevilay Ugur, Farhad Samedov, Akif Esendemir

OE, Vol. 44, Issue 01, 016401, (January 2005) https://doi.org/10.1117/12.10.1117/1.1829097

KEYWORDS: Optical testing, Radio optics, Temperature metrology, Radiometry, Transmittance, Cryogenics, Sensors, Photodiodes, Laser stabilization, Laser optics

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Showing 5 of 8 publications

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