Barium tungstate crystal all-solid-state continuous Raman laser
A Raman laser and Raman laser technology, applied in the field of lasers, can solve problems such as not being able to meet the needs of use, and achieve the effect of fast start-up
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[0027] The second embodiment of the present invention is as figure 2 , an intracavity frequency-doubled barium tungstate crystal continuous yellow laser, the optical components and materials used are: a diode laser for end or side pumping, a coated laser input cavity mirror 1 and an output cavity mirror 4, an independent laser Gain medium 2; an independent Raman medium 3; a frequency doubling crystal 5 is arranged between the Raman medium 3 and the output cavity mirror 4, and the fundamental frequency light generated by the laser gain medium 2 enters the Raman medium 3 to generate Raman laser , Raman laser incident frequency doubling crystal 5, produces frequency doubling yellow light, frequency doubling yellow light and Raman laser resonant cavities are nested in the laser resonant cavity, output cavity mirror 4 is high for fundamental frequency light and Raman laser On the contrary, part of the frequency-doubled light is transmitted, and the output cavity mirror 4 finally o...
Embodiment 1
[0031] according to figure 1 A simple and compact barium tungstate crystal all-solid-state CW Raman laser was fabricated. Diode lasers for side or end pumping, a flat mirror, highly transparent to 808nm wavelength pump light, highly reflective to 1064nm and 1180nm wavelength lasers, as input cavity mirror 1; Nd 3+ :YVO 4 Crystal as laser gain medium 2; BaWO 4 The crystal is a Raman medium 3; a plano-concave mirror is highly reflective to both 1064nm and 1180nm wavelength lasers, and the reflectivity of fundamental frequency light is higher than that of Raman light, which is the output cavity mirror of the laser 4. 808nm laser diode Pump Nd 3+ :YVO 4 The crystal produces laser light with a wavelength of 1064nm through the Raman gain medium BaWO 4 The crystal produces a Raman frequency shift, which converts from 1064nm fundamental frequency light to 1180nm wavelength Raman laser. Here, two mirror cavities are used. The 1064nm and 1180nm wavelength lasers are obtained in the...
Embodiment 2
[0033] according to figure 2 Fabricate an intracavity doubled barium tungstate crystal continuous yellow Raman laser. Diode lasers for side or end pumping, a flat mirror, highly transparent to 808nm wavelength pump light, highly reflective to 1064nm and 1180nm wavelength lasers, as input cavity mirror 1; Nd 3+ :YVO 4 Crystal as laser gain medium 2; BaWO 4 The crystal is a Raman medium 3; the frequency-doubling LBO crystal is a frequency-doubling crystal 5; a plano-concave mirror, which is highly reflective to 1064nm and 1180nm wavelength lasers, partially transmits the frequency-doubling light at 590nm, and is the output cavity mirror of the laser 4. 808nm Laser diode pumped Nd 3+ :YVO 4 The crystal produces laser light with a wavelength of 1064nm, by BaWO 4 Raman crystal produces Raman frequency shift, from 1064nm fundamental frequency light to 1180nm wavelength Raman laser, and then through frequency doubling LBO crystal to generate 590nm yellow light output, here 1180...
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