公开(公告)号：US20230178957A1

公开(公告)日：2023-06-08

申请号：US18164376

申请日：2023-02-03

Applicant: Gigaphoton Inc.

Inventor： Yohei TANAKA ,  Chen QU

IPC: H01S3/109 ,  G02F1/37 ,  H01S3/00 ,  G02F1/35 ,  H01S3/02

CPC classification number: H01S3/109 ,  G02F1/37 ,  H01S3/0092 ,  G02F1/3544 ,  H01S3/025

Abstract: A solid-state laser system according to an aspect of the present disclosure includes a first non-linear crystal that generates first wavelength-converted light based on a first laser beam, a first adjustment unit configured to perform phase matching of the first wavelength-converted light in the first non-linear crystal, a second non-linear crystal that generates second wavelength-converted light based on a second laser beam and the first wavelength-converted light, a second adjustment unit configured to perform phase matching of the second wavelength-converted light in the second non-linear crystal, a light detection unit configured to detect light having a selected wavelength, and a processor configured to control the first adjustment unit based on intensity of at least one of the first wavelength-converted light and the first laser beam and to control the second adjustment unit based on intensity of at least one of the second wavelength-converted light and the first wavelength-converted light.

公开(公告)号：US20220158402A1

公开(公告)日：2022-05-19

申请号：US17666471

申请日：2022-02-07

Applicant: Gigaphoton Inc.

Inventor： Yohei TANAKA ,  Chen QU ,  Atsushi FUCHIMUKAI

IPC: H01S3/00 ,  H01S3/109 ,  G02F1/35 ,  G02F1/37

Abstract: A wavelength conversion apparatus according to an aspect of the present disclosure is a wavelength conversion apparatus that performs wavelength conversion of light through a non-linear crystal and including a first non-linear crystal, a container in which the first non-linear crystal is housed, a crystal holding member provided inside the container for fixing the first non-linear crystal, a first window provided to the container for guiding light to the first non-linear crystal from outside of the container, a second window provided to the container for guiding light output from the first non-linear crystal to outside of the container, a first heater provided inside the container for heating the first non-linear crystal, a battery that supplies electric power to the first heater, and a first controller that controls electric power supply to the first heater.