Efficient high power tunable THz source based on all fiber-based pulsed fiber lasers at ~ 2 mm"

Award Information
Department of Defense
Air Force
Award Year:
Phase II
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
NP Photonics, Inc.
AZ, 9030 S. Rita Road, Suite #120, Tucson, AZ, 85747-9102
Hubzone Owned:
Minority Owned:
Woman Owned:
Principal Investigator:
Wei Shi
Principal Engineer
(520) 799-7413
Business Contact:
James Fountain
Director, Contract Administration
(520) 799-7424
Research Institution:
University of Arizona
Sherry L Esham
PO Box 3308
888N. Euclid Ave., Ste 510
Tucson, AZ, 85722-
(520) 626-6000
Nonprofit college or university
In Phase I, NP Photonics has successfully demonstrated the feasibility of a fiber-based THz source that can generate high power, narrow linewidth, and tunable THz radiation by leveraging NP"s proprietary unique fibers, fiber lasers/amplifiers, and THz techniques. In Phase II, we will develop the monolithic high power ~ 2 micron pulsed fiber laser system for the proposed fiber-based THz source under collaboration with University of Arizona. We expect to achieve the highest conversion efficiency 0.2% for THz parametric generation by using ~ 2 micron pulsed fiber laser and external cavity enhancement with ZnGeP2 and QPM-GaAs crystals. Most importantly, the collinear THz optical parametric oscillator (OPO) will be demonstrated for the first time based on developed ~ 2 micron pulsed fiber laser. For Air Force NDE THz applications, we will offer in Phase II period a compact high power fiber-based THz source with average power of ~ 1 W, with wide tuning range of 0.2-5 THz, and narrow linewidth of 50-100 MHz. Furthermore, NP Photonics will offer prototype service of a high resolution THz spectrometer based on NP"s high power narrow linewidth fiber-based THz source. We will demonstrate detection sensitivity below sub-part per million and noise equivalent power (NEP) below 1.0x10-14 W/Hz1/2. BENEFIT: Currently, the THz spectral region has been underutilized because of the inadequacy of THz sources. The proposed fiber-based THz source is expected to break this limit, with advantages of compact, high power, high spectral resolution, extremely wide tunability, and room temperature operation. So this fiber-based THz source will have large potential market in THz applications, such as real-time imaging, non-destructive evaluation (NDE), stand-off sensing and chemical detection and analysis. The proposed THz source can be used by military agencies for communications on the battlefield or in space; for trace detection of hazardous materials and explosives in the field due to the fast response, room-temperature operation, low noise, and high spectral resolution; for atmospheric environment sensing, such as in airports and subways for screening of hazardous materials and explosives; and for research and development of biological materials, pharmaceuticals and other chemicals because THz spectrum can reveal the unique structural features of molecules.

* information listed above is at the time of submission.

Agency Micro-sites

SBA logo

Department of Agriculture logo

Department of Commerce logo

Department of Defense logo

Department of Education logo

Department of Energy logo

Department of Health and Human Services logo

Department of Homeland Security logo

Department of Transportation logo

Enviromental Protection Agency logo

National Aeronautics and Space Administration logo

National Science Foundation logo
US Flag An Official Website of the United States Government