Buildup dynamics of the spectrum and the average output power of a homogeneously broadened continuous-wave Ti:sapphire laser

Ci Ling Pan, Jahn Chung Kuo, Chin Der Hwang, Jia Min Shieh, Yin-Chieh Lai, C. S. Chang, Kaung-Hsiung Wu

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The buildup dynamics of a homogeneously broadened continuous-wave Ti: sapphire laser is experimentally investigated for the first time to our knowledge. The average output power of the laser exhibits relaxation oscillation behavior initially and approaches the steady-state value in ≈20 μs. Concurrently, the longitudinal-mode spectrum evolves from a multicluster spectral distribution (tentatively attributed to the spectral windowing effect of the Brewster-angle-cut Ti:sapphire crystal as a birefringent filter) to a single cluster at 787.5 nm. The spectral narrowing (which is due to gain competition in the homogeneously broadened medium), however, takes ≈500 μs. Physical mechanisms that explain qualitatively the two distinctive time scales are presented.

Original languageEnglish
Pages (from-to)994-996
Number of pages3
JournalOptics Letters
Volume17
Issue number14
DOIs
StatePublished - 1 Jul 1992

Fingerprint Dive into the research topics of 'Buildup dynamics of the spectrum and the average output power of a homogeneously broadened continuous-wave Ti:sapphire laser'. Together they form a unique fingerprint.

Cite this