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Built-In Filament Control for Long Lifetime in Broad Area Diode Lasers

Award Information

Agency:
Department of Defense
Branch:
Defense Advanced Research Projects Agency
Award ID:
77886
Program Year/Program:
2006 / STTR
Agency Tracking Number:
06ST1-0081
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
nLight Photonics
5408 NE 88th Street, Bldg E Vancouver, WA -
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 2006
Title: Built-In Filament Control for Long Lifetime in Broad Area Diode Lasers
Agency / Branch: DOD / DARPA
Contract: W31P4Q-06-C-0421
Award Amount: $98,918.00
 

Abstract:

The elimination or suppression of filaments through the use of photonic crystal structures is proposed in this STTR. Filament formation is a well-known problem in high-power, broad area semiconductor diode lasers, often leading to catastrophic failure of the diodes. The diode failure also normally results in a system failure in the systems in which the diodes are employed. By using a bi-directional periodic structure, milled into the laser using a Focused Ion Beam, it is shown that mode control can be exercised over the optical mode of the high-power, broad area diode laser. Mode control serves to eliminate or suppress filament formation in the diode laser, thereby eliminating or suppressing this pernicious failure mode.

Principal Investigator:

Paul Crump
Program Manager
3607135161
paul.crump@nlight.net

Business Contact:

David Gustafson
Mgr Advanced Technology P
3605664471
david.gustafson@nlight.net
Small Business Information at Submission:

NLIGHT PHOTONICS
5408 NE 88th Street, Bldg E Vancouver, WA 98665

EIN/Tax ID: 912066376
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Research Institution Information:
UNIV. OF ILLINOIS
UNIV. OF ILLINOIS
Urbana, IL 61801
Contact: Kent Choquette
Contact Phone: (217) 265-0563
RI Type: Nonprofit college or university