The 5-Second Trick For LBO Crystal
The 5-Second Trick For LBO Crystal
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LBO is an excellent NLO crystal for OPOs and OPAs with a widely tunable wavelength vary and significant powers. The special Qualities of kind I and kind II phase matching along with the NCPM go away a huge place during the investigation and programs of LBO's OPO and OPA.
You might want to consider the wavelength and electricity of your laser source and go with a crystal that's clear with the given wavelength and might face up to the laser electrical power. Lastly, other variables such as the thermal steadiness, optical homogeneity, and nonlinear optical coefficient on the crystal also need to be regarded as.
These features lower the alignment sensitivity in the optical process and be certain better beam propagation. The much less stringent alignment specifications and better beam high-quality conferred by these attributes normally tip the dimensions in favor of LBO Crystals above other nonlinear optical crystals.
The amount of the solvent might be altered for many crystal dimension Hence the lens tissue is kept moist for the entire drag but there is not any noticeable trace of solvent to the crystal area following the drag is finished. Inspect the surface area and repeat if required, but only use Every single sheet of lens tissue the moment.
five mm to reduce group velocity mismatch and are perfect for frequency doubling or tripling of Ti:sapphire and Yb:doped laser pulses. The vital and noncritical phase matching LBO crystals are perfect for second or 3rd harmonic generation of Nd:YAG and Yb:doped lasers.
In essence, the thermal steadiness of LBO Crystals is actually a testomony to their resilience and reliability, generating them a favourite amongst experts and engineers across the world.
Crystals for NCPM at an elavated temperature could be premounted within an oven with precision controller. Crystals made use of at ~ 20 - fifty oC can also be premounted inside a compatible drinking water-cooled or TEC (ThermoElectric Cooler) cooled mount upon ask for.
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In the case of ultrashort pulses the substantial group velocity mismatch enforces the use of a shorter crystal, which demands large optical intensities for your website supplied conversion efficiency.
LBO Crystals have cemented their position as an integral part of the laser field, contributing appreciably to developments in laser technology. That has a substantial problems threshold and great optical homogeneity, LBO Crystals can withstand the large-depth outputs which have been commonplace in higher-electricity laser units, properly enabling these devices to perform optimally with out danger of damage to their factors.
Inspect the crystal area for dust and stains by Keeping it near a bright visible-light supply. Viewing at diverse angles will help see scattering from dust and stains. The crystal area needs to be cleaned as described down below if dust and stains are identified.
Many various Attributes of a nonlinear crystal might be important for an application e.g. in nonlinear frequency conversion:
g. in the form of “grey tracking�? This kind of phenomena are specially prevalent for operation with ultraviolet gentle. Be aware that a gradual degradation can also direct into instantaneous catastrophic damage by means of excessive warmth generation.
The TSSG method permits the manufacture of large-top quality LBO crystals with lower defect density and superb optical Qualities. The use of a seed crystal helps to control the crystal orientation and defect density, resulting in enhanced crystal excellent.