SBIR/STTR Research Award

ANTI-REFLECTION COATINGS FOR DIAMOND FILMS

Award identifier 6a5065ad5dd765122a81be150bf8110a170e563152376277cce3b7e51888e65dAwarding agency Department of Defense · Navy

Award amount

$50,000

Program and phase

SBIR · Phase I

Award year

1991

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Award details

Awarding agency
Department of Defense
Branch
Navy
Recipient company
Applied Science and Technology,LLC
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

WE PROPOSE TO DEVELOP AN ANTI-REFLECTION (AR) COATING FOR DIAMOND FILMS OPTIMIZED TO ENHANCE THE TRANSMISSION IN THE 8 TO 12 MICRON REGION OF THE SPECTRUM. THE METAL-OXIDE MATERIALS TO BE EVALUATED HAVE GOOD OPTICAL TRANSMISSION IN THIS SPECTRAL REGION AND REFRACTIVE INDICES NEAR THE OPTIMUM VALUE OF 1.55 FOR A DIAMOND AR COATING. SINCE A SECONDARY PURPOSE OF THE COATING IS TO PROTECT THE DIAMOND FROM OXIDATION AT HIGH TEMPERATURES (1000OC), THE METAL-OXIDES ARE CHOSEN WITH HIGH MELTING TEMPERATURES. INITIAL COATINGS WILL BE DEPOSITED USING ION ASSISTED DEPOSITION. THE OPTICAL PROPERTIES OF THE AR COATINGS WILL BE MEASURED AND COMPARED WITH UNCOATED DIAMOND FILMS. NANOCRYSTALLINE DIAMOND MATERIAL WILL BE USED AS WINDOW MATERIAL TO MINIMIZE THESCATTERING LOSSES. ADHESION TO THE DIAMOND SUBSTRATE WILL BE EVALUATED.

Technology keywords

Not reported

Agency intelligence

Department of Defense

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