Title:
LASER OSCILLATOR AND LASER OSCILLATION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/234322
Kind Code:
A1
Abstract:
Provided is a laser oscillator (100) comprising a crystal (140) which is doped with a dopant and has a secondary optical non-linearity, and an optical system (130) that laser-oscillates the crystal (140) on which excitation light is incident. The crystal (140) has a phase matching property of one of birefringent phase matching, pseudo-phase matching using a periodic polarization reversal structure, and random phase matching using a polycrystalline structure, wherein fluorescence of a broad spectral bandwidth of a mid-infrared region is excited by the excitation light. The laser oscillator (100), due to the phase matching property, outputs idler light of a differential frequency of the excitation light and signal light that has been laser-oscillated by the optical system (130) at a specific wavelength or with a specific wavelength width in the spectral bandwidth.
Inventors:
YUMOTO MASAKI (JP)
MIYATA KENTARO (JP)
KAWATA YASUSHI (JP)
IMAI SHINICHI (JP)
MIYATA KENTARO (JP)
KAWATA YASUSHI (JP)
IMAI SHINICHI (JP)
Application Number:
PCT/JP2023/020182
Publication Date:
December 07, 2023
Filing Date:
May 30, 2023
Export Citation:
Assignee:
RIKEN (JP)
OXIDE CORP (JP)
OXIDE CORP (JP)
International Classes:
H01S3/108; G02F1/37; H01S3/16
Foreign References:
| JP2020516961A | 2020-06-11 | |||
| JP2009535666A | 2009-10-01 | |||
| JP2020008657A | 2020-01-16 | |||
| US5912910A | 1999-06-15 | |||
| JP2017510081A | 2017-04-06 | |||
| JP2009018042A | 2009-01-29 | |||
| JP2013127545A | 2013-06-27 | |||
| JP2016218373A | 2016-12-22 | |||
| JPH0499079A | 1992-03-31 |
Attorney, Agent or Firm:
RYUKA & PARTNERS (JP)
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