SIGNIFICANT PROGRESS IN HIGH EFFICIENCY DICHROMATED GELATIN (DCG) HOLOGRAPHY HAS BEEN REPORTED FOR SEVERAL YEARS BUT THEAUTOMATIC TRANSFER OF THESE ACHIEVEMENTS TO UV REGION HAS NOT BEEN SO SUCCESFUL.

Award Information
Agency: Department of Energy
Branch: N/A
Contract: N/A
Agency Tracking Number: 3441
Amount: $49,336.00
Phase: Phase I
Program: SBIR
Awards Year: 1986
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
336 Dow Avenue, Redondo Beach, CA, 90278
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 DR. JOANNA JANNSON
 PRINCIPAL INVESTIGATOR
 (213) 371-3909
Business Contact
Phone: () -
Research Institution
N/A
Abstract
SIGNIFICANT PROGRESS IN HIGH EFFICIENCY DICHROMATED GELATIN (DCG) HOLOGRAPHY HAS BEEN REPORTED FOR SEVERAL YEARS BUT THEAUTOMATIC TRANSFER OF THESE ACHIEVEMENTS TO UV REGION HAS NOT BEEN SO SUCCESFUL. WE PROPOSE A NEW HOLOGRAPHIC APPROACH FOR PRODUCTION OF UV OPTICAL ELEMENTS. OUR APPROACH IS BASED ON NON-LINEAR HOLOGRAPHIC RECORDING OF SECOND-HARMONIC BRAGG STRUCTURE USING OUR PHOTOPOLYMER UVP-2. THE RECORDING IS MADE BY USING AN ARGON LASER IN THEVISIBLE REGION WHILE THE PEAK WAVELENGTH OF THE SECOND-HARMONIC IS LOCATED IN UV REGION WHERE UVP-2 PHOTOPOLYMER IS TRANSPARENT. THIS RELATIVELY SIMPLE FABRICATION TECHNIQUE OF UV OPTICS WILL HAVE AT LEAST TWO ORDERS OF MAGNITUDE LOWER COST THAN THE CONVENTIONAL VACUUM DEPOSITION TECHNOLOGY. THE HIGH REFLECTIVITY OF THE HOLOGRAPHIC RUGATE MIRROR IS ACHIEVED BY A VERY LARGE NUMBEROF LAYERS (UP TO 1000) FORMED IN A SINGLE HOLOGRAPHIC RECORDING. MOREOVER, UV HOLOGRAPHIC RUGATE MIRRORS DO NOT CONTAIN INTERFACES; THUS, MAKING THESE OPTICS MORE RESISTANTTO DAMAGE AND SURFACE IMPERFECTIONS. THESE HOLOGRAPHIC STRUCTURES CAN BE COATED EITHER ON FLAT OR CURVED LARGE (FT2) SUBSTRATES CONSTITUTING NEW STABLE BASES FOR APPLICATIONS IN HIGH EFFICIENCY UV LASER AND IMAGING OPTICS.

* Information listed above is at the time of submission. *

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