LBO Crystal - An Overview
LBO Crystal - An Overview
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Crystal life span may also be strongly depending on the material quality, Whilst selected degradation phenomena seem like intrinsic limits of the fabric.
This resistance to thermal consequences is achieved thanks to their unique crystal composition, which continues to be stable and unchanged even underneath substantial thermal anxiety.
Critical Terms: Nonlinear Crystals , SHG crystal , SFG crystal , LBO Crystal Lithium Triborate (LiB3O5 or LBO) is usually a kind of nonlinear crystal that is commonly used in the generation of substantial-power laser radiation. It's got a higher hurt threshold in addition to a wide transparency vary from the ultraviolet into the near-infrared region, rendering it ideal for various laser programs.
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Just about the most essential properties of LBO nonlinear crystals is their capability to reach period-matching for efficient frequency conversion. Section-matching is definitely the situation wherever the wave vectors of the fundamental and harmonic waves match, enabling the conversion of the elemental frequency into the harmonic frequency.
The commonest utilization of LBO is Briefly pulse, large pulse level lasers; the higher electric power density the better. It is also incredibly well suited for non-vital period matching (NCPM) for frequency conversion of CW and quasi-CW radiation, at ninety% conversion effectiveness with out walk-off.
In laser cooling, frequency doubling is used to interesting atoms and molecules to incredibly very low temperatures for various programs, for example quantum computing and atomic clocks. In quantum optics, frequency doubling is utilized to produce entangled photon pairs for quantum data processing.
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The idea of these Attributes is very important for creating and expanding higher-good quality LBO nonlinear crystals for a variety of programs
Nonlinear Crystals of possibly β-barium borate (BBO) or lithium triborate (LBO) are utilized for frequency conversion of laser sources. BBO crystals element thicknesses from 0.2mm to 0.5mm to attenuate group velocity mismatch and are ideal for frequency doubling or tripling of Ti:Sapphire and Yb:doped laser pulses. The essential and noncritical period matching LBO crystals are perfect for next or third harmonic era of Nd:YAG and Yb:doped lasers.
In addition to that, the higher hurt threshold �?the flexibility of LBO Crystals to face up to superior-intensity laser beams without having compromising their framework or effectiveness �?is a A lot-appreciated top quality, particularly in substantial-electrical power laser purposes.
The Czochralski technique allows for the production of large LBO crystals with fantastic crystal high-quality and very low defect density. On the other hand, the strategy is relatively gradual and involves thorough control of the temperature, rotation, and pulling rate to keep up uniform growth.
For customer benefit and defense of crystals, regular one" anodized aluminum (Al) mounts could be offered upon ask for. The mounted crystals could be further mounted in a standard 1" mirror mount to get angle tuned for phase matching (
By examining the emitted light, the luminescent Homes and defects of your crystal may be decided.