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55mm Dia. 355nm Laser Debris Shield

Laser Debris Shields

Laser Debris Shields

Stock #37-670
S$170.50
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Qty 1-5
S$170.50
Qty 6
S$155.00
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Bevel:
Break Edges
Clear Aperture (%):
85
Coating:
Laser V-Coat (355nm)
Coating Specification:
Rabs <0.25% @ 355nm
Diameter (mm):
55.00 ±0.1
Thickness (mm):
1.50 +0.15/-0.00
Damage Threshold, Pulsed:
7.5 J/cm2 @ 355nm, 20ns, 20Hz
Design Wavelength DWL (nm):
355
Parallelism (arcmin):
45
Substrate:
Fused Quartz
Surface Quality:
40-20
Transmitted Wavefront, P-V:
λ/2 (70% of Dia.)
Type:
Protective Window
Young's Modulus (GPa):
73
Knoop Hardness (GPa):
522
Coefficient of Thermal Expansion CTE (10-6/°C):
0.52
Density (g/cm3):
2.2
Index of Refraction nd:
1.458
Poisson's Ratio:
0.16
Abbe Number (vd):
67.8

Regulatory Compliance

RoHS 2015:
Reach 209:

Product Family Description

  • Protective Shield for Optical Systems
  • Sizes from 50mm to 134mm
  • Uncoated and Laser Line Coated Options Available

Laser Debris Shields, also referred to as laser cover slides or laser cover glass, are designed for use in laser machining applications and can dramatically improve the longevity of more complex optical assemblies within a system. These shields are constructed of durable fused silica for an optimal combination of transmission and protection from harsh manufacturing environments. Laser Debris Shields are available either uncoated, in a variety of Nd:YAG laser line Anti Reflective coatings that provide reflectivity of less than 0.25% per surface, or with a NIR I Broadand coating with reflectivity of less than 0.5% per surface.

Laser Optics

Sample Measurement Results
Sample Measurement Results

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