Mr. Ian M. Lancaster Profile

Ian M. Lancaster

SPIE Involvement:

Author

Proceedings Article | 9 February 2006 Paper

Use and efficacy of DOVIDs and other optical security devices

Ian Lancaster

Proceedings Volume 6075, 60750O (2006) https://doi.org/10.1117/12.648416

KEYWORDS: Inspection, Holograms, Information security, On-screen displays, Medicine, Optics manufacturing, Forensic science, Chemical elements, Eye, Inspection equipment

Read Abstract +

Proceedings Article | 29 June 2004 Paper

Holograms and authentication: meeting future demands

Ian Lancaster

Proceedings Volume 5290, (2004) https://doi.org/10.1117/12.540738

KEYWORDS: Holograms, Holography, Information security, Holography applications, Medicine, Electronic imaging, Packaging, 3D image processing, Stereo holograms

Read Abstract +

Proceedings Article | 3 June 2004 Paper

The growth of optically variable features on banknotes

Ian Lancaster, Astrid Mitchell

Proceedings Volume 5310, (2004) https://doi.org/10.1117/12.549893

KEYWORDS: Holograms, Printing, Diffraction, Thin films, Inspection, Manufacturing, Optics manufacturing, Scanners, Digital watermarking, Eye

Read Abstract +

Public verification features are part of a matrix of security features on banknotes which allow the authenticity of legitimate banknotes to be established. They are characterised by being overt and easy to verify -- no examination tool or equipment is required even though the devices themselves are invariably highly sophisticated. Recent developments, though, combine overt and covert elements which may reqire inspection tools. Traditionally, banknote issuers were reluctant to involve the general public in the checking of banknotes, preferring to rely on those employed to handle them, experts and machinery to authenticate the various (normally undisclosed) features. This has now changed as the ability to counterfeit has moved from those highly skilled in printing to anyone with a scanner and computer -- the incidence of counterfeiting has grown exponentially in the last decade. Three techniques for what can be categorized as public verification features have been used for banknotes for many decades and continue to provide a barrier to counterfeiting: (1) the optical effects of watermarks; (2) the appearance and tactile characteristics of cylinder mould-made paper; (3) the tactile characteristics of intaglio print. Since the 1980s the emergence of threads and optically variable features have added to the available features which can be utilized on banknotes for public verification purposes. OVDs fall broadly into the two categories of diffraction and color shift. Products which utilize the former include holograms, kinegrams and other devices originated with similar techniques and bearing a variety of proprietary names, but collectively known as diffractive optically variable image devices (DOVIDs). All share the fundamental characteristic of changing in appearance according to the viewing angle, providing an effective barrier to the increasingly common use of digital reprographic technology as a counterfeiting tool as well as a simple means for verification by the man on the street. They differ, however, in the underlying technology, their specific characteristics and their functionality, which is what this paper will examine, along with their growth and usage on the world's currencies and the current technical developments and trends which are likely to affect their role in the future.

Proceedings Article | 4 June 2003 Paper

A crossroads for holography?

Ian Lancaster

Proceedings Volume 5005, (2003) https://doi.org/10.1117/12.476882

KEYWORDS: Holograms, Holography, Packaging, Buildings, Reconnaissance, Holographic materials, Light sources and illumination, Security printing, Holography applications, Control systems

Read Abstract +

Proceedings Article | 7 April 2000 Paper

Holography: you'll never (again) walk alone

Ian Lancaster, Lewis Kontnik

Proceedings Volume 3973, (2000) https://doi.org/10.1117/12.382187

KEYWORDS: Holograms, Inspection, Holography, Forensic science, Manufacturing, Computer security, Standards development, Security printing, Eye, Education and training

Read Abstract +

Proceedings Article | 1 April 1998 Paper

Secure future for DOVIDs

Ian Lancaster, Lewis Kontnik

Proceedings Volume 3314, (1998) https://doi.org/10.1117/12.304684

KEYWORDS: Security printing, Printing, Holograms, Manufacturing, Holography, Reconnaissance, Binary data, Patents, Optics manufacturing, Lanthanum

Read Abstract +

Proceedings Article | 31 December 1996 Paper

Worldwide authentication market for DOVIDs: past, present, and ensuring the future

Ian Lancaster

Proceedings Volume 2866, (1996) https://doi.org/10.1117/12.263094

KEYWORDS: Holograms, Manufacturing, Holography, Security printing, Optical design, Computer security, Optics manufacturing, Image registration, Packaging, Visualization

Read Abstract +

Proceedings Article | 15 March 1996 Paper

Progress in counterfeit deterrence: the contribution of information exchange

Ian Lancaster, Lewis Kontnik

Proceedings Volume 2659, (1996) https://doi.org/10.1117/12.235446

KEYWORDS: Manufacturing, Holograms, Information security, Printing, Intellectual property, Video, Packaging, Holography, Computing systems, Telecommunications

Read Abstract +

Proceedings Article | 27 July 1995 Paper

Future for security applications of optical holography

Ian Lancaster

Proceedings Volume 2577, (1995) https://doi.org/10.1117/12.215299

KEYWORDS: Holograms, Holography, Printing, Manufacturing, Optics manufacturing, Optical design, Holography applications, Security printing, Packaging, Reconnaissance

Read Abstract +

Proceedings Article | 17 February 1995 Paper

International Hologram Manufacturers Association (IHMA): hologram counterfeiting and the hologram image register

Ian Lancaster, Lewis Kontnik

Proceedings Volume 2333, (1995) https://doi.org/10.1117/12.201941

KEYWORDS: Holograms, Lithium, Holography, Manufacturing, Optical design, Intellectual property, Image registration, 3D image processing, Reconnaissance, Standards development

Read Abstract +

Proceedings Article | 17 February 1995 Paper

Holography industry: market size and trends in commercial activity

Ian Lancaster, Lewis Kontnik

Proceedings Volume 2333, (1995) https://doi.org/10.1117/12.201940

KEYWORDS: Holograms, Holography, Packaging, Holographic materials, Reconnaissance, Manufacturing, Holography applications, Security printing, Light sources and illumination, Stereo holograms

Read Abstract +