Two-photon pumped lasing dyes and their sol-gel glass/polymer composites

Chanfeng Zhao; Guang S. He; Jayant D. Bhawalkar; Chi-Kyun Park; Paras N. Prasad

doi:10.1117/12.236173

25 March 1996 Two-photon pumped lasing dyes and their sol-gel glass/polymer composites

Chanfeng Zhao, Guang S. He, Jayant D. Bhawalkar, Chi-Kyun Park, Paras N. Prasad

Proceedings Volume 2698, Solid State Lasers V; (1996) https://doi.org/10.1117/12.236173
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

A newly synthesized laser dye, trans-4-[P-(N-ethyl-N-hydroxyethylamino)styryl]- N-methylpyridinium tetraphenylborate (dye I), has high thermal- and photo-stability as well as strong two-photon-induced upconversion emission. Utilizing dye I doped bulk polymer rods, two-photo pumped frequency unconverted cavity lacing has been accomplished using a Q- switched Nd:YAG laser as the pump source. The upconversion lacing efficiency was 3.5%, and the cavity lacing lifetime, in terms of pulse numbers, was more than 4 by 10⁴ pulses at 2 Hz repetition rate. By impregnating these dyes into a silica-gel:polymethylmethacrylate (PMMA) and Vycor-PMMA composite glasses, two-photon cavity lacing properties have also been studied.

Citation Download Citation

Chanfeng Zhao, Guang S. He, Jayant D. Bhawalkar, Chi-Kyun Park, and Paras N. Prasad "Two-photon pumped lasing dyes and their sol-gel glass/polymer composites", Proc. SPIE 2698, Solid State Lasers V, (25 March 1996); https://doi.org/10.1117/12.236173

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