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author:

Peng, Longxiang (Peng, Longxiang.) [1] | Huang, Yantang (Huang, Yantang.) [2] | Duan, Yafan (Duan, Yafan.) [3] | Zhuang, Shijian (Zhuang, Shijian.) [4] | Liao, Tingdi (Liao, Tingdi.) [5] | Xu, Canhua (Xu, Canhua.) [6]

Indexed by:

EI

Abstract:

2 μm laser oscillation with a low threshold has been achieved in Ho3+:Tm3+-codoped silica microspheres (HTCSMs). Ho3+:Tm3+-codoped solgel functionalization film is applied to the surface of a silica microsphere, and an optical tapered fiber is adopted to couple an 808 nm continuous-wave laser to serve as the pump light source. Multimode and single-mode laser oscillations around 2 μm within the eye-safe wave band are observed due to the 5I7 → 5I8 transitions of Ho3+ ions sensitized by Tm3+. The morphology characteristics of microspheres determine the multimode laser oscillation spectrum. The free spectral range is in good accordance with the calculated value based on Mie scattering theory. The HTCSM laser oscillation shows characteristics of good capability, simple process, high flexibility, and low cost. © 2017 Optical Society of America.

Keyword:

Continuous wave lasers Microspheres Morphology Pumping (laser) Silica

Community:

  • [ 1 ] [Peng, Longxiang]College of Physics and Information Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 2 ] [Huang, Yantang]College of Physics and Information Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 3 ] [Huang, Yantang]Photonic Technology Research and Development Centre, Quanzhou Normal University, Quanzhou; 362000, China
  • [ 4 ] [Duan, Yafan]Photonic Technology Research and Development Centre, Quanzhou Normal University, Quanzhou; 362000, China
  • [ 5 ] [Zhuang, Shijian]College of Physics and Information Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 6 ] [Liao, Tingdi]Photonic Technology Research and Development Centre, Quanzhou Normal University, Quanzhou; 362000, China
  • [ 7 ] [Xu, Canhua]College of Physics and Information Engineering, Fuzhou University, Fuzhou; 350108, China

Reprint 's Address:

  • [huang, yantang]college of physics and information engineering, fuzhou university, fuzhou; 350108, china;;[huang, yantang]photonic technology research and development centre, quanzhou normal university, quanzhou; 362000, china

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Source :

Applied Optics

ISSN: 1559-128X

Year: 2017

Issue: 26

Volume: 56

Page: 7469-7473

1 . 7 9 1

JCR@2017

1 . 7 0 0

JCR@2023

ESI HC Threshold:170

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 19

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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