PANORAMIC OPTICAL POWER AMPLIFIER IN Yb-DOPED MULTI-CORE PHOSPHATE-BASED OPTICAL FIBER

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$99,992.00
Award Year:
2004
Program:
SBIR
Phase:
Phase I
Contract:
FA9451-04-M-0073
Agency Tracking Number:
F041-003-2689
Solicitation Year:
2004
Solicitation Topic Code:
AF04-003
Solicitation Number:
2004.1
Small Business Information
NP PHOTONICS, INC.
UA Science and Tech Park, 9030 S Rita Rd Suite 120, Tucson, AZ, 85747
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
014750785
Principal Investigator:
Arturo Chavez-Pirson
Director of Active Device Developme
(520) 799-7438
chavez@npphotonics.com
Business Contact:
James Fountain
Director, Contract Administration
(520) 799-7424
fountain@npphotonics.com
Research Institution:
n/a
Abstract
This project focuses on the development of compact, high electrical plug-in efficiency, and high gain panoramic optical amplifiers suitable for image amplification. Laser tracking and pointing of remote targets for space/air surveillance and control applications require a suitable image amplifier covering a wide field of view to improve signal to noise in image detection, leading to longer target range capability and/or stronger immunity to atmospheric disturbance. Our approach centers on a new phosphate glass and fiber technology that enables much higher ytterbium doping than previously possible - resulting in high gain per unit length and short fiber lengths (~10 cm). NP Photonics pre-form and fiber drawing technology makes possible the fabrication of two-dimensional arrays of doped cores embedded in a pump cladding layer -where each core represents a pixel in the image amplifier. Our preliminary calculations with 9 to 19 active cores arranged in a two-dimensional pattern indicate that it is possible for each pixel to have high gain (>20 dB) and large acceptance angle (>10 degrees), and for the amplifier to have high electrical efficiency (>40%) when pumped with commercially available 975nm multimode diodes.

* information listed above is at the time of submission.

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