NASA SBIR 2020-I Solicitation

Proposal Summary


PROPOSAL NUMBER:
 20-1- S1.01-6764
SUBTOPIC TITLE:
 Lidar Remote Sensing Technologies
PROPOSAL TITLE:
 Compact and Efficient High-Pulse Energy 2-Micron Lidar Transmitter
SMALL BUSINESS CONCERN (Firm Name, Mail Address, City/State/Zip, Phone)
Aqwest, LLC
8276 Eagle Road
Larkspur, CO 80118
(303) 681-0456

Principal Investigator (Name, E-mail, Mail Address, City/State/Zip, Phone)

Name:
Mr. David Filgas
E-mail:
dfilgas@aqwest.com
Address:
8276 Eagle Road Larkspur, CO 80118 - 8224
Phone:
(805) 405-1917

Business Official (Name, E-mail, Mail Address, City/State/Zip, Phone)

Name:
John Vetrovec
E-mail:
jvetrovec@aqwest.com
Address:
8276 Eagle Road Larkspur, CO 80118 - 8224
Phone:
(303) 406-8545
Estimated Technology Readiness Level (TRL) :
Begin: 3
End: 4
Technical Abstract (Limit 2000 characters, approximately 200 words)

The current state-of-the-art  2-µm lidar transmitters for global wind and the CO2 measurement use Ho3+ laser ions respectively doped into LuLiF or YLF host. Ho3+ is typically pumped to a laser transition by a 1.9 µm Tm-based laser which, in-turn, is pumped by semiconductor diodes. This 2-step process compromises electro-optical efficiency and generates significant waste heat while adding volume and weight to the transmitter payload.

Aqwest proposes to develop a novel, efficient, compact, and rugged lidar transmitter based on Tm doped into an innovative ceramic host material. This transformational Tm:ceramic material offers efficient lasing in the vicinity of 2050 nm while being directly pumped by 796-nm diodes, thus resulting in a very simple architecture, more compact packaging, lighter weight, and more efficient operation when compared to the traditional "Tm-pumped Ho" laser transmitters for global wind and the CO2 measurement. The Tm:ceramic transmitter offers high-pulse energy and high-repetition rate in the vicinity of 2050 nm. Aqwest recently demonstrated efficient lasing in ceramic Tm:ceramic with a record continuous wavelength tuning over 230 nm (1890-2120 nm). We are currently developing a kW-class average power 2 µm laser based on the same Tm:ceramic Department of Energy.

Potential NASA Applications (Limit 1500 characters, approximately 150 words)
  • CO2 active sensing
  • Global wind measurement
  • Replacement of Tm:Ho:LuLiF lasers in future sensors for airborne and space platforms
Potential Non-NASA Applications (Limit 1500 characters, approximately 150 words)
  • Eye-safer laser material processing
  • Remote sensing
  • Medical surgery, dentistry
  • Welding of transparent plastics.
  • Wind sensing for airports, aircraft, and wind farms
Duration: 6

Form Generated on 06/29/2020 21:09:45