High-power tunable IR Raman lasers

Grasiuk, A. Z.; Zubarev, I G

doi:10.1007/bf00886950

Cited by 56 publications

(9 citation statements)

References 62 publications

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“…(Note that a similar result is often derived for monochromatic Stokes fields or in the high-gain limit in which the Stokes line width has been gain-narrowed and can be neglected [32], [34], [35], [37].) The effective gain can be generalized for arbitrary line shapes as…”

Section: Modelling Spectral and Spatial Variationsmentioning

confidence: 89%

Spatial and Spectral Effects in Continuous-Wave Intracavity Raman Lasers

Spence

2015

IEEE J. Select. Topics Quantum Electron.

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Section: Modelling Spectral and Spatial Variationsmentioning

confidence: 89%

Spatial and Spectral Effects in Continuous-Wave Intracavity Raman Lasers

Spence

2015

IEEE J. Select. Topics Quantum Electron.

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“…It has been demonstrated previously [34][35][36][37] that stimulated Raman amplification depends on the linewidth of the pump source Δν L . This is illustrated in Fig.…”

Section: A Pump-probe Techniquementioning

confidence: 96%

“…Therefore, the equation for calculation of the Raman gain coefficient g (1) [33] (and the equation for the relative Raman gain (5)) has been modified by including the term (1+ Δν L / Δν R ) [34,37], which takes into account the linewidth of the pump emission and that of the Raman scattering (Δν R ). It should be noted that the data in Fig.…”

Section: A Pump-probe Techniquementioning

confidence: 99%

Steady-State Raman Gain in Diamond as a Function of Pump Wavelength

Savitski

Reilly

Kemp

2013

IEEE J. Quantum Electron.

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The variation in the Raman gain coefficient in single-crystal diamond for pump wavelengths between 355 and 1450 nm has been measured. Two techniques have been used: a pump-probe approach giving an absolute measurement and a stimulated Raman oscillation threshold technique giving a relative measurement. Both approaches indicate that the Raman gain coefficient is a linear function of pump wavenumber. With the pump polarised along a <111> direction in the crystal, the Raman gain coefficient measured by the pump-probe technique was found to vary from 7.6±0.8 for a pump wavelength of 1280 nm to 78±8 cm/GW for a pump wavelength of 355 nm. With the established dependence of the Raman gain coefficient on the pump wavelength, the Raman gain coefficient can be estimated at any pump wavelength within the spectral range from 355 up to 1450 nm.

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“…In this strong dispersion regime, each fundamental longitudinal mode independently provides gain for a range of Stokes modes determined by the Raman lineshape, and the gain spectrum for the Stokes is thus the convolution of the fundamental field lineshape and the Raman lineshape. For Lorentzian lineshapes of width F and R respectively, the gain at the line center of the Stokes spectra is given by g R R /( R + F ) [24,25]. This gain is appropriate for a spectrally-narrow Stokes signal, but we must account for a broad Stokes linewidth in the present lasers.…”

Section: Impact Of Broadening On the Effective Raman Gainmentioning

confidence: 99%

Spectral broadening in continuous-wave intracavity Raman lasers

et al. 2014

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Spectral broadening of the fundamental field in intracavity Raman lasers is investigated. The mechanism for the spectral broadening is discussed and the effect is compared in two lasers using Raman crystals with different Raman linewidths. The impact of the spectral broadening on the effective Raman gain is analyzed, and the use of etalons to limit the fundamental spectral width is explored. It was found that an improvement in output power could be obtained by using etalons to limit the fundamental spectrum to a single narrow peak. 9810-9818 (2012). 20. J. J. Zayhowski, "The effects of spatial hole burning and energy diffusion on the single-mode operation of standing-wave lasers," IEEE J. Quantum Electron.

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High-power tunable IR Raman lasers

Cited by 56 publications

References 62 publications

Spatial and Spectral Effects in Continuous-Wave Intracavity Raman Lasers

Spatial and Spectral Effects in Continuous-Wave Intracavity Raman Lasers

Steady-State Raman Gain in Diamond as a Function of Pump Wavelength

Spectral broadening in continuous-wave intracavity Raman lasers

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