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Tunable pulsed narrow bandwidth light source

Patent ·
OSTI ID:874297
 [1];  [2]
  1. Dayton, OH
  2. Livermore, CA
+ Show Author Affiliations
A tunable pulsed narrow bandwidth light source and a method of operating a light source are provided. The light source includes a pump laser, first and second non-linear optical crystals, a tunable filter, and light pulse directing optics. The method includes the steps of operating the pump laser to generate a pulsed pump beam characterized by a nanosecond pulse duration and arranging the light pulse directing optics so as to (i) split the pulsed pump beam into primary and secondary pump beams; (ii) direct the primary pump beam through an input face of the first non-linear optical crystal such that a primary output beam exits from an output face of the first non-linear optical crystal; (iii) direct the primary output beam through the tunable filter to generate a sculpted seed beam; and direct the sculpted seed beam and the secondary pump beam through an input face of the second non-linear optical crystal such that a secondary output beam characterized by at least one spectral bandwidth on the order of about 0.1 cm.sup.-1 and below exits from an output face of the second non-linear optical crystal.
Research Organization:
SANDIA CORP
DOE Contract Number:
AC04-94AL85000
Assignee:
University of Dayton (Dayton, OH)
Patent Number(s):
US 6359914
OSTI ID:
874297
Country of Publication:
United States
Language:
English

References (11)

Multigrating quasi-phase-matched optical parametric oscillator in periodically poled LiNbO_3 journal January 1996
Continuous tuning of a continuous-wave periodically poled lithium niobate optical parametric oscillator by use of a fan-out grating design journal January 1998
Periodically poled lithium niobate optical parametric amplifier seeded with the narrow-band filtered output of an optical parametric generator journal January 1998
Efficient parametric generation of high‐power coherent picosecond pulses in lithium borate tunable from 0.405 to 2.4 μm journal May 1992
Periodically poled lithium niobate optical parametric amplifiers pumped by high-power passively Q-switched microchip lasers journal January 1997
Traveling-wave parametric generation of widely tunable, highly coherent femtosecond light pulses journal January 1993
Travelling-wave parametric conversion of microjoule pulses with LBO journal July 1995
LiNbO_3 waveguide second-harmonic-generation device phase matched with a fan-out domain-inverted grating journal January 1991
Tunable femtosecond optical parametric amplifier in the mid-infrared with narrow-band seeding journal January 1995
Kilohertz all-solid-state picosecond lithium triborate optical parametric generator journal January 1995
Picosecond optical parametric amplification in β-BaB/sub 2/O/sub 4/ journal January 1994

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