Intracavity Raman lasers

Second-Stokes YVO_4/Nd:YVO_4/YVO_4self-frequency Raman laser

“…When the first Stokes optical field reaches adequate power intensity, it can act as a pump source for SRS, thereby generating a second Stokes wave [7]. Compared to other types of 1.3 μm non-Raman lasers, it has a number of unique characteristics [8], including Raman beam cleanup [9] and pulse shortening [10,11]. An intracavity Raman laser configuration was adopted.…”

“…In order to investigate the phenomenon of pulseshortening in the self-frequency SRS process [6,[8][9][10], the fundamental light and first-Stokes light were operated under a similar system. The output coupler was placed by other two mirrors, partial transmission for generating fundamental light was at 1064 nm (T 15%), and partial transmission for generating the first-Stokes line was at 1176 nm (T 1.43%).…”

Intracavity CH 4 Raman laser using negative-branch unstable resonator

“…The generally accepted [3] definition of the efficiency of the intracavity process is the ratio of the energy of the first Stokes to the energy of the fundamental, obtained with an optimum output mirror. The optimized fundamental output energy was measured with both the Raman cell and the aperture removed; in addition, the length of the fundamental resonator was shortened to make it a stable resonator.…”

“…To obtain efficient Raman conversion in SRS, many researchers have studied different types of Raman laser configurations [1][2][3]. Among these configurations, the intracavity type is particularly attractive.…”

Self-stimulating, Transversely Diode-pumped Nd3+: PbWO4 yellow laser

“…Stimulated Raman scattering (SRS) in the crystals has become a promising approach to efficiently generate laser radiation at new wavelengths [1,2]. When it is used in combination with secondharmonics generation (SHG), laser radiation at a variety of wavelengths in the yellow-red region can be generated.…”