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PRELIMINARY EVALUATION OF NEW UV/VUV RADIOMETRIC STANDARDS

Award Information

Agency:
Department of Commerce
Branch:
N/A
Award ID:
14680
Program Year/Program:
1991 / SBIR
Agency Tracking Number:
14680
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
VISIDYNE, INC.
99 S. Bedford St, Suite 103 Burlington, MA 01803-5145
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 1991
Title: PRELIMINARY EVALUATION OF NEW UV/VUV RADIOMETRIC STANDARDS
Agency: DOC
Contract: N/A
Award Amount: $34,929.00
 

Abstract:

THERE ARE ONLY A FEW RADIOMETRIC STANDARDS AVAILABLE IN THE 115-350 NM WAVELENGTH REGION. AMONG THEM ARE THE ARGON MINI-ARC AND THE DEUTERIUM LAMP. BOTH LAMPS PROVIDE STABLE SOURCES OF UV/VUV RADIATION, AND CAN BE CALIBRATED BOTH IN RADIANCE AND IRRADIANCE. HOWEVER, EACH HAS DISADVANTAGES THAT LIMIT ITS USEFULNESS AS A BENCHTOP OR SPACE-QUALIFIED STANDARD. ONE POSSIBLE ALTERNATIVE SECONDARY RADIOMETRIC STANDARD FOR THE UV/VUV IS THE RF-EXCITED ELECTRODELESS DISCHARGE LAMP. THESE LAMPS ARE SMALL, HAVE LOW INPUT POWER REQUIREMENTS, HAVE A LONG LIFETIME, AND HAVE BEEN ADAPTED FOR SPACEFLIGHT. BY VARYING THE RARE GAS FILL PRESSURE (FROM A FEW TORR TO TENS OF TORR) EITHER CONTINUUM RADIATION OR SPECTRALLY PURE LINE RADIATION CAN BE GENERATED IN THE UV AND VUV. PRELIMINARY MEASUREMENTS ON A KRYPTON VUV CONTINUUM LAMP INDICATE THAT THE LAMPS ARE LONG-LIVED AND STABLE ENOUGH TO BE CONSIDERED AS POSSIBLE RADIOMETRIC STANDARDS. THE OBJECTIVE FOR THE PHASE 1 EFFORT IS THE EVALUATION OF A FEW RF-EXCITED LAMPS IN TERMS OF THEIR SUITABILITY AS SECONDARY UV/VUV RADIOMETRIC STANDARDS. BY CHARACTERIZING A FEW KEY SOURCE PARAMETERS, ONE CAN DETERMINE WHETHER FURTHER CONSIDERATION OF THESE SOURCES IS WARRANTED.

Principal Investigator:

Gary Galica
6172732820

Business Contact:

Small Business Information at Submission:

Visidyne Inc
Corporate Place South Bedford St Burlington, MA 01803

EIN/Tax ID:
DUNS: N/A
Number of Employees: N/A
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No