Optical parametric properties of 532-nm-pumped beta-barium-borate near the infrared absorption edge

Dongxiang Zhang, Yufei Kong, Jing Yuan Zhang

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47 Citations (Scopus)

Abstract

We report some new experimental results on optical parametric properties in the near-IR absorption edge of a type-I phase-matched BBO-OPG/OPA (beta-barium-borate, BBO; optical parametric generation/amplification, OPG/OPA) pumped at 532 nm. It was found that at the edges of the tuning curve, both the experimental tuning curve and the bandwidth are significantly different from the calculated result based on the Sellmeier equations proposed by Kato. It is found that the bandwidth of OPG in above-mentioned region is near transform-limited without using dispersion element. The results are attributed to the significant decrease of refractive index near the absorption edge of BBO and the retracing behavior of 532-nm-pumped BBO crystal. The retracing occurs at 665 nm and 2.66 μm, respectively. The modified Sellmeier equations are given based on our experimental tuning curve. The theoretical calculation of the bandwidth of OPG using the modified Sellmeier equations agrees very well with our experimental measurement.

Original languageEnglish
Pages (from-to)485-491
Number of pages7
JournalOptics Communications
Volume184
Issue number5
DOIs
Publication statusPublished - 15 Oct 2000
Externally publishedYes

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