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Title: Optimized achromatic phase-matching system and method

Patent ·
OSTI ID:871052
 [1];  [1];  [2]
  1. Livermore, CA
  2. Pleasanton, CA
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An optical system for efficiently directing a large bandwidth light (e.g., a femtosecond laser pulse) onto a nonlinear optical medium includes a plurality of optical elements for directing an input light pulse onto a nonlinear optical medium arranged such that the angle .theta..sub.in which the light pulse directed onto the nonlinear optical medium is substantially independent of a position x of the light beam entering the optical system. The optical system is also constructed such that the group velocity dispersion of light pulses passing through the system can be tuned to a desired value including negative group velocity dispersion.

Research Organization:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
US 5648866
OSTI ID:
871052
Country of Publication:
United States
Language:
English

References (11)

Ray-pulse matrices: a rational treatment for dispersive optical systems journal June 1990
Achromatic N-prism beam expanders: optimal configurations journal January 1985
Achromatic N-Prism Beam Expanders: Optimal Configurations II conference November 1985
Negative dispersion using pairs of prisms journal January 1984
Ultrashort-pulse second-harmonic generation in quasi-phase-matched dispersive media journal January 1994
Negative group-velocity dispersion using refraction journal January 1984
Frequency conversion of broad-bandwidth laser light journal March 1990
Wide-bandwidth frequency doubling with high conversion efficiency journal January 1992
Achromatic phase matching for second harmonic generation of femtosecond pulses journal January 1989
Broadband frequency doubler for femtosecond pulses journal January 1990
High-efficiency generation of ultrashort second-harmonic pulses based on the Čerenkov geometry journal January 1994

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