Highly efficient doubling of a high-repetition-rate diode-pumped laser with bulk periodically poled KTP

A. Englander, R. Lavi, M. Katz, M. Oron, D. Eger, E. Lebiush, G. Rosenman, A. Skliar

Research output: Contribution to journalArticlepeer-review

Abstract

An internal doubling efficiency of 64% at 2 MW/cm2 was obtained in a single-pass configuration with an uncoated, 1-cm-long, bulk periodically poled KTP crystal placed outside the resonator of a pulsed, diode-pumped Nd:YAG laser. An average of 4.8 W of green light was obtained from a 7.5-W pump beam inside the crystal. Doubling efficiency exceeded 50% at levels of 0.75 MW/cm2. The measured thermal tolerance of the doubling process (FWHM) was 3.3°C cm, and the measured temperature tuning coefficient was 0.053 nm/°C.

Original languageEnglish
Pages (from-to)1598-1599
Number of pages2
JournalOptics Letters
Volume22
Issue number21
DOIs
StatePublished - 1 Nov 1997

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