An ultra-stable 2.9 μm guided-wave chip laser and application to nano-spectroscopy

被引：1

作者：

Lancaster, D. G. ^{[1
,2
]}

Otten, D. E. ^{[1
,2
]}

Cernescu, A. ^{[3
]}

Hebert, N. Bourbeau ^{[4
]}

Chen, G. Y. ^{[1
]}

Johnson, C. M. ^{[5
]}

Monro, T. M. ^{[1
,6
]}

Genest, J. ^{[4
]}

机构：

[1] Univ South Australia, Sch Engn, Laser Phys & Photon Devices Lab, Mawson Lakes, SA 5095, Australia

[2] Red Chip Photon Pty Ltd, Mawson Lakes, SA 5095, Australia

[3] NeaSpec GmBH, D-85540 Munich, Germany

[4] Univ Laval, Ctr Opt Photon & Laser, Quebec City, PQ G1V 0A6, Canada

[5] Royal Inst Technol, KTH, Dept Chem, S-10044 Stockholm, Sweden

[6] Def Sci & Technol Org, Dept Def, Edinburgh, SA 5111, Australia

来源：

APL PHOTONICS | 2019年 / 4卷 / 11期

关键词：

ATMOSPHERIC CORROSION; GLASS; RESOLUTION; EMISSION;

D O I：

10.1063/1.5113624

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a configurable guided-wave planar glass-chip laser that produces low-noise and high-quality continuous-wave laser emission tunable from 2.82 to 2.95 mu m. The laser has a low threshold and intrinsic power and mode stability attributable to the high overlap of gain volume and pump mode defined by an ultrafast laser inscribed waveguide. The laser emission is single transverse-mode with a Gaussian spatial profile and M-x,y(2) similar to 1.05, 1.10. The power drift is similar to 0.08% rms over similar to 2 h. When configured in a spectrally free-running cavity, the guided-wave laser emits up to 170 mW. The benefit of low-noise and stable wavelength emission of this hydroxide resonant laser is demonstrated by acquiring high signal-to-noise images and spectroscopy of a corroded copper surface film with corrosion products containing water and hydroxide ions with a scattering-scanning near-field optical microscope. (C) 2019 Author(s).

引用

页数：6

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