1988•Applied Physics LettersRequires access

Visible BaB2O4 optical parametric oscillator pumped at 355 nm by a single-axial-mode pulsed source

Y. X. Fan, Robert C Eckardt, Robert L. Byer, J. Nölting, Richard E. Wallenstein

Abstract

A visible BaB2O4 optical parametric oscillator (OPO) pumped by a single-axial-mode 355-nm source has been demonstrated. An average output power of 140 mW with a signal wave conversion efficiency of 13% and an idler conversion efficiency of 11% for a total conversion efficiency of 24% has been achieved. The oscillator has continuously tuned from 412 nm to 2.55 μm limited by the infrared transmission range of the crystal. Through injection seeding we obtained single-axial-mode OPO operation with a corresponding OPO linewidth of less than 3 GHz.

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Key concepts: Optical parametric oscillator, Energy conversion efficiency, Materials science, Laser linewidth, Optics, Optoelectronics, Single-mode optical fiber, Infrared