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Conferences > OECC > 1996 > 17P > 17P.25
  • First Optoelectronics and Communications Conference
  • Technical Digest Series (Optica Publishing Group, 1996),
  • paper 17P.25

Combined Upconversion Process in ZBLAN:Er-Tm Glasses Excited at 793 nm

Woon Jo Cho, Myong Wook Kim, Jae Cheol Jo, Sang Sam Choi, and Soon Ja Park

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Abstract

Upconversion of 793 nm excitation in Er3+-Tm3+-codoped fluorozirconate glasses has been studied. The dependence of the green emission intensity on the pump power (Pex) was ranged between (Pex)2 and (Pex)3. The 4S3/2 energy level of Er3+ ion was possibly populated by a three photon absorption of 1.48 µm emission from the 3F4 → 3H4 transition on Tm3+ ion as well as by a two photon absorption of the 793 nm laser pumping line.

© 1996 IEICE

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