SILVER THIOGALLATE AgGaS2 (AGS)

Chemical formula: AgGaS2
Symmetry: -42m
Density (g/cm3): 4.58
Mohs hardness: 3.5
Transparency range (μm): 0.47 – 13
Optical damage threshold (MW/cm22): 34 (1064 nm, 15 ns)
Refractive index: no – 2.3486, ne – 2.2946 (10.5 μm)
Nonlinear coefficients (pm/V): d36 = 12.6 @10.6 μm
Surface quality: 30/20 (scratch/dig)
Flatness: λ/4 (546 nm)
Parallelism: < 40”

1. T. Kaing, Jean-Jacques Zondy, A. P. Yelisseyev, S. I. Lobanov, Ludmila I. Isaenko. Improving the Power and Spectral Performance of a 27–33 THz AgGaS2 Difference-Frequency Spectrometer. IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 48 (1999) 592-595
https://ieeexplore.ieee.org/document/769665

2. J.-J. Zondy, A. Douillet, A. Yelisseyev, S. Lobanov, L. Isaenko. Pure and Ytterbium-doped AgGaS2 potential for cw parametric oscillation and stimulated emission in the mid-infrared. Proc. of SPIE 3749 (1999) 260-261
https://www.scopus.com/record/display.uri?eid=2-s2.0-0032661914&origin=inward&txGid=5e0449200b31dd16f82a605163520379

3. A. Douillet, J.-J. Zondy, A. Yelisseyev, S. Lobanov, L. Isaenko. Stability and frequency tuning of thermally loaded continuous-wave AgGaS2 optical parametric oscillators. JOSA B 16 (1999) 1481-1498
https://opg.optica.org/josab/abstract.cfm?uri=josab-16-9-1481

4. Albane Douillet, Jean-Jacques Zondy, Aleksander Yelisseyev, Sergei Lobanov, Ludmila Isaenko. Toward a 3:1 Frequency Divider Based on Parametric Oscillation Using AgGaS2 and PPLN Crystals. IEEE transactions on ultrasonics, ferroelectrics, and frequency control 47 (2000) 1127-1133
https://ieeexplore.ieee.org/document/869049

5. J.-J. Zondy, V. Vedenyapine, T. Kaing, D. Lee, A. Yelisseyev, L. Isaenko, S. Lobanov. Doppler spectroscopy of NH3 and SF6 in the 10-μm range with a tunable AgGaS2 difference-frequency spectrometer. Applied Physics B 78 (2004) 457–463
https://link.springer.com/article/10.1007/s00340-003-1373-6

6. L.I. Isaenko, A.P. Yelisseyev. Recent study of nonlinear crystals for the mid IR. Semiconductor Science and Technology 31 (2016) 123001
http://dx.doi.org/10.1088/0268-1242/31/12/123001

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