Raman laser based on crystalline in fresnoite structure
A technology of Raman laser and titanite, applied in the field of Raman lasers
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0055] Example 1: Ba 2 TiSi 2 O 8 Single pass Raman laser outside the cavity of Raman crystal.
[0056] Structure like figure 1 As shown, the laser is composed of a pulsed laser 1 and a Raman crystal 2. The pulsed laser 1 is a picosecond pulsed laser pumped by a flash lamp and dual-modulated with an acousto-optic modulator and dye saturable absorption material. Its output wavelength is 532nm, pulse width 30ps, and repetition frequency is 10Hz pulsed laser; 2 TiSi 2 O 8 Raman crystals generate stimulated Raman light. Figure 8 This is the output Raman laser spectrogram of the laser. It is obvious from the figure that the output of the first-level Raman laser at 558nm and the second-level Raman laser at 587nm can be seen.
[0057] The Raman crystal 2 is Ba 2 TiSi 2 O 8 Crystal, its size is 5×5×25mm 3 , The clear surface is 5×5mm 2 , Its double-sided polishing is not coated.
[0058] Ba 2 TiSi 2 O 8 Crystal preparation method:
[0059] Reaction equation: 2BaCO 3 +TiO 2 +2SiO 2 =Ba 2 Ti...
Embodiment 2
[0061] Example 2: Ca 2 TiSi 2 O 8 Crystal double-pass Raman laser outside the cavity.
[0062] Structure like figure 2 As shown, the laser consists of a pulsed laser 1, an input mirror 3, a Raman crystal 2 and a concave output mirror 4 arranged in sequence along the optical path. The pulse laser 1 outputs laser light with a wavelength of 532 nm, a pulse width of 30 ps, and a repetition frequency of 10 Hz. The input mirror 3 is coated with a dielectric film with a transmittance of more than 99% for incident light at 532 nm and a reflectance of more than 99% for Raman laser at 558 nm. The output mirror 4 is coated with a dielectric film with a reflectivity of more than 99% for incident light at 532 nm and a transmittance of more than 99% for Raman light at 558 nm.
[0063] The pulse laser 1 is the same as that in the first embodiment.
[0064] The Raman crystal 3 is Ca 2 TiSi 2 O 8 The crystal is a cylinder with a length of 35mm. The light-transmitting surface is a round surface,...
Embodiment 3
[0067] Example 3: Sr 2 TiSi 2 O 8 Multi-pass Raman laser outside the crystal cavity.
[0068] Structure like image 3 As shown, the laser is composed of a pulsed laser 1, an input mirror 3, a Raman crystal 2 and an output mirror 5 arranged in sequence along the optical path. The concave surface of the input mirror 3 faces the pulse laser 1 and its plane forms an angle of 45° with the laser direction. The Raman crystal 2 and the output mirror 5 are located on the optical path of the light reflected by the input mirror 3.
[0069] The pulsed laser 1 outputs a pulsed laser with a wavelength of 532 nm, a pulse width of 30 ps, and a repetition frequency of 10 Hz. The input mirror 3 is coated with a dielectric film with a transmittance greater than 99% for the fundamental frequency light and a Raman light (558nm) reflectivity greater than 99%. The output mirror 5 is a flat mirror, and both sides are coated with a reflectance greater than 99% for the fundamental frequency light. Dielec...
PUM
| Property | Measurement | Unit |
|---|---|---|
| length | aaaaa | aaaaa |
| length | aaaaa | aaaaa |
| reflectance | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More