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Laser window are optical windows used in the laser light path, and their main functions include: transmitting the laser beam, protecting the internal components of the laser system, and withstanding high power lasers.
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Fuzhou Chinaproduct orgin :
ChinaGood-Power Laser Optical Windows
The laser window protector is made of fused silica, suitable for high power laser applications requiring good thermal stability. Alternatively, it can be made of N-BK7, which is suitable for laser applications that prioritize cost. Having high surface quality ensures minimal interference with the transmitted light beam.
The material of the laser window sheet needs to fulfill:
1. High laser damage threshold: avoid being ablated by high power laser.
2. Low absorption: reduce optical aberrations caused by thermal effects.
3. High uniformity: avoid beam wavefront aberrations.
Specification | |||||
Material | sapphire,Fused Silica,K9,Si,Ge,ZnSe,ZnS,CaF₂,GaAs | ||||
Size | 0.5-600mm | ||||
Dimension Tolerance |
+0.0, -0.1mm |
||||
Thickness Tolerance |
± 0.1mm |
||||
Flatness | 1λ to λ/20 @632.8nm | ||||
Surface Quality | 60/40(Standard), 10/5(High Precision) | ||||
Effective Aperture | 90% | ||||
Parallelism |
1' (Standard), 10" (High Precision) |
||||
Coating | Upon requirement |
Applications:
1. Laser resonant cavity window.
2. Laser processing head protection window.
3.High power laser system.
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