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Laser Line Window

Laser protection window is used for laser output protecting.High damage threshold (>10J/cm2) AR coating on both sides can minimize the reflections.

These windows are used in front of lasers for material processing in order to protect the laser optics from hot material drops.

Grade E H S
Material UVFS UVFS UVFS or N-BK7
Diameter Tolerance +0.0, -0.1mm
Thickness Tolerance ±0.1mm ±0.2mm
Clear Aperture >90%
Parallelism 5" 10" 30"
Flatness(@632.8nm) λ/20 λ/10 λ/4
Surface Quality 10/5 10/5 20/10
Bevel Protective
Coating Anti-Reflecting coating on S1&S2,R<0.25%@λc,AOI 0°。
Damage Threshold(10ns,10Hz@λc) 10J/cm3 7.5J/cm3 2J/cm3
P/NΦTλ<sub>c</sub>Grade
1040112.703.80532nmE
1040225.404.50532nmE
1040312.703.80532nmH
1040425.404.50532nmH
1040512.703.80532nmS
1040625.404.50532nmS
1040712.703.801064nmE
1040825.404.501064nmE
1040912.703.801064nmH
1041025.404.501064nmH
1041225.404.501064nmS
1041312.703.801064nmS
●Unit:mm
●Other sizes and coatings are available upon request.