Pulse Compression of an Additive-Pulse Mode-Locked CW Nd:YLF Laser by Using an Optical Fiber and a Grating Pair

광섬유와 회절격자쌍을 이용한 Additive-Pulse Mode-Locking된 CW Nd:YLF 레이저의 광펄스 압축

  • 안승준 (한국과학기술원 물리학과)
  • Published : 1993.05.01

Abstract

Additive-pulse mode-locking (APM) was performed in a $1.053{\mu}m$ cw Nd:YLF laser by coupling a nonlinear external external cavity to the main cavity. The APM pulsewidth was 4.5 ps and the average output power was 1.5 W. This APM pulse was compressed by an optical fiber and a grating pair to be as short as 210 fs with a peak power of 17 kW.

파장이 $1.053{\mu}m$에서 연속 발진하는 Nd:YLF 레이저에, 비선형 매질로서 단일모드 광섬유를 이용한 외부 공진기를 연결하여 additive-pulse mode-locking(APM)된 펄스를 얻었다. APM 펄스의 펄스폭은 4.5 ps이며 평균 출력은 1.5W이다. APM 펄스를 광섬유와 회절격자쌍을 이용하여 peak power가 17 kW인 210 fs의 극초단 펄스로 압축하였다.

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