Dr. Puthenpurakkal T. A. Kumar Profile

Dr. Puthenpurakkal T. A. Kumar

President and Leading Scientist at Light Logics Holography and Optics PVT Ltd

SPIE Involvement:

Author

Publications (6)

SPIE Journal Paper | 11 March 2021

Digital holographic method to study stress formation in photopolymer during live recording of holograms

Abhay Jith, Puthenpurakkal T. Kumar, Rajeev Kumar Kumaran

OE, Vol. 60, Issue 03, 035105, (March 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.3.035105

KEYWORDS: Digital holography, Holograms, Holography, Digital recording, CMOS cameras, Aluminum, Thin films, Photopolymers, Photopolymerization, Optical engineering

Read Abstract +

SPIE Journal Paper | 1 February 2008

Conversion of an 84-×48-pixel mobile phone display to a liquid crystal spatial light modulator

M. K. Sheeja, Ajith Kumar, Faizal Saidalavi, Achuthsankar Nair

OE, Vol. 47, Issue 02, 025801, (February 2008) https://doi.org/10.1117/12.10.1117/1.2844877

KEYWORDS: LCDs, Spatial light modulators, Holography, Cell phones, Modulation, Data storage, Holograms, Liquid crystals, Optical engineering, Computer security

Read Abstract +

Proceedings Article | 4 January 2008 Paper

Fabrication of metallic 2D photonic crystals by holography

V. Vadivelan, T. Shaji Sam, Jacob Solly, P. Ajith Kumar

Proceedings Volume 6832, 683206 (2008) https://doi.org/10.1117/12.758425

KEYWORDS: Photonic crystals, Holography, Photoresist materials, Dielectrics, Helium cadmium lasers, Crystals, Aluminum, Holography applications, High power lasers, Photons

Read Abstract +

Proceedings Article | 4 January 2008 Paper

A multi-beam holographic light concentrator for solar applications

T. Shaji Sam, V. Vadivelan, P. Ajith Kumar

Proceedings Volume 6832, 68321E (2008) https://doi.org/10.1117/12.758435

KEYWORDS: Holographic concentrators, Solar cells, Solar concentrators, Sun, Holography, Holographic optical elements, Beam splitters, Solar radiation, Diffraction, Luminescence

Read Abstract +

Proceedings Article | 10 October 2006 Paper

Photopolymer-based holographic variable data storage system for security applications

M. K. Sheeja, P. T. Ajith Kumar, S. Nair Achuthsankar

Proceedings Volume 6352, 635224 (2006) https://doi.org/10.1117/12.689041

KEYWORDS: Holograms, Computer security, Data storage, Holography, Spatial light modulators, Modulation, Digital holography, Photopolymers, Optics manufacturing, Optical design

Read Abstract +

Proceedings Article | 10 January 2005 Paper

Performance analysis and material dependence of micro holographic optical elements as couplers for fiber optic communication

Sajan Ambadiyil, G. Prasannan, Jithesh Sathyan, P.T. Ajith Kumar

Proceedings Volume 5623, (2005) https://doi.org/10.1117/12.574173

KEYWORDS: Holographic optical elements, Holography, Diffraction, Chemical elements, Mirrors, Beam splitters, Fiber optic communications, Telecommunications, Optical signal processing, Optical communications

Read Abstract +

Showing 5 of 6 publications

Conference Committee Involvement (1)

International Conference on Optics & Photonics 2015

20 February 2015 | Kolkata, India

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years