α - AlOOH (Diaspore)的受激拉曼散射(SRS)

IF 1.5 4区材料科学 Q3 CRYSTALLOGRAPHY Crystal Research and Technology Pub Date : 2021-09-16 DOI:10.1002/crat.202100055

L. Bohatý, Oliver Lux, H. Eichler, H. Rhee, Alexander A. Kaminskii, Petra Becker

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引用次数: 0

摘要

在正交α - AlOOH(也称为矿物一水硬铝石)单晶中，研究了受激拉曼散射(SRS)和拉曼诱导四波混频(RFWM)的χ(3)‐非线性激光。皮秒泵浦在1.064µm波长产生宽带斯托克斯和反斯托克斯频率梳，最多有25条SRS和RFWM产生的发射线。所有观测到的可见光和近红外的Stokes和反Stokes激光分量都被识别出来，并归因于一个单一的SRS促进振动模式，ωSRS≈445 cm−1。在可见光谱范围内的第一个Stokes稳态拉曼增益系数估计不小于0.36 cm GW−1。

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Stimulated Raman Scattering (SRS) in α‐AlOOH (Diaspore)

In single crystals of orthorhombic α‐AlOOH, known also as mineral diaspore, χ(3)‐nonlinear lasing by stimulated Raman scattering (SRS) and Raman‐induced four‐wave mixing (RFWM) is investigated. Picosecond pumping at 1.064 µm wavelength produces a broadband Stokes and anti‐Stokes frequency comb with up to 25 SRS‐ and RFWM‐generated emission lines. All observed Stokes and anti‐Stokes lasing components in the visible and near‐IR are identified and attributed to a single SRS‐promoting vibration mode with ωSRS ≈ 445 cm−1. The first Stokes steady‐state Raman gain coefficient in the visible spectral range is estimated to a value not less than 0.36 cm GW−1.

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来源期刊

Crystal Research and Technology 化学-晶体学

自引率

6.70%

发文量

121

审稿时长

1.9 months

期刊介绍： The journal Crystal Research and Technology is a pure online Journal (since 2012). Crystal Research and Technology is an international journal examining all aspects of research within experimental, industrial, and theoretical crystallography. The journal covers the relevant aspects of -crystal growth techniques and phenomena (including bulk growth, thin films) -modern crystalline materials (e.g. smart materials, nanocrystals, quasicrystals, liquid crystals) -industrial crystallisation -application of crystals in materials science, electronics, data storage, and optics -experimental, simulation and theoretical studies of the structural properties of crystals -crystallographic computing