Windows (various materials)

Windows (various materials)

  • We offer a wide range of protection windows made of various substrates produced according customers requirements.
  • Materials: N-BK7, Fused silica, Sapphire, CaF2, Silicon, Borosilicate glasses like borofloat or pyrex and others.
  • Windows shape can be round, square, rectangular, trianfular or other polygonal form on request.
  • Windows can be supplied not coated or with single/multi layers coatings  AR (anti-reflective), HR (High-reflective), PR (partial-reflective) or other coating on request.

N-BK7  windows

Specification 
Standard diameters (mm)10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 38.1, 50.8
Standard tolerance (mm)2.0, 3.0, 6.0, 6.35
Diameter tolerance (mm)+0.0/-0.2 (standard) +0/-0.02 (high precision)
Thickness tolerance (mm)±0.2 (standard) ±0.005 (high precision)
Clear aperture>80% (small size) >95% (large size)
Parallelism3' (standard), 3" (high precision)
Surface quality60/40 (standard), 10/5 (high precision)
Flatness (per 25mm@633nm)λ/2 (standard), λ/10 (high precision)
Bevel<0.25mm*45°
CoatingUncoated, AR, HR, PR, altri su richiesta

Note

  • Diameters range:  from Ø2.0mm to Ø350mm
  • Thickness range: from 1.0mm to 50.0mm
  • Available clear aperture 100% on request
  • Available different facettes on request

Fused silica windows

Specification
Standard diameters (mm)10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 38.1, 50.8
Standard thickness (mm)2.0, 3.0, 6.0, 6.35
Diameter tolerance (mm)+0.0/-0.2 (standard) +0/-0.02 (high precision)
Thickness tolerance (mm)±0.2 (standard) ±0.005 (high precision)
Clear aperture>80% (small size) >95% (large size)
Parallelism3' (standard), 3" (high precision)
Surface quality60/40 (standard), 10/5 (high precision)
Flatness (per 25mm@633nm)λ/2 (standard), λ/10 (high precision)
Bevel<0.25mm*45°
CoatingUncoated, AR, HR, PR, others on demand

Note

  • Diameters range: from Ø2.0mm to Ø350mm
  • Thickness range: from 1.0mm to 50.0mm
  • Available clear aperture 100% on request
  • Available different facettes on request

Sapphire windows

Specification
Standard diameters (mm)10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 38.1, 50.8
Standard thickness (mm)2.0, 3.0, 6.0, 6.35
Diameter tolerance (mm)+0.0/-0.2 (standard) +0/-0.02 (high precision)
Thickness tolerance (mm)±0.2 (standard) ±0.005 (high precision)
Clear aperture>80% (small size) >95% (large size)
Parallelism3' (standard), 3" (high precision)
Surface quality60/40 (standard), 10/5 (high precision)
Flatness (per 25mm@633nm)λ/2 (standard), λ/10 (high precision)
Bevel<0.25mm*45°
CoatingUncoated, AR, HR, PR, others on demand

Note

  • Diameters range: from Ø2.0mm to Ø350mm
  • Thickness range: from 1.0mm to 50.0mm
  • Available clear aperture 100% on request
  • Available different facettes on request

CaF₂ windows

Specification
Standard diameters (mm)8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0
Standard thickness (mm)1.0, 2.0, 3.0, 4.0
Diameter tolerance (mm)+0.0/-0.2 (standard) +0/-0.01 (high precision)
Thickness tolerancee (mm)±0.2 (standard) ±0.05 (high precision)
Clear aperture>80% (small size) >90% (large size)
Parallelism3' (standard), 10" (high precision)
Surface quality80/50 (standard), 40/20 (high precision)
Flatness (per 25mm@633nm)λ/2 (standard), λ/4 (high precision)
Bevel<0.25mm*45°
CoatingUncoated, AR, HR, PR, others on demand

Note

  • Diameters range: from Ø2.0mm to Ø350mm
  • Thickness range: from 1.0mm to 50.0mm
  • Available clear aperture 100% on request
  • Available different facettes on request

Silicon windows

Specification 
Standard diameters (mm)8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0
Standard thickness (mm)1.0 ~ 20.0
Diameter tolerance (mm)+0.0/-0.2 (standard) +0/-0.01 (high precision)
Thickness tolerance (mm)±0.2 (standard) ±0.05 (high precision)
Clear aperture>80% (small size) >90% (large size)
Parallelism3' (standard), 10" (high precision)
Surface quality60/40 (standard), 10/5 (high precision)
Flatness (per 25mm@633nm)λ/2 (standard), λ/4 (high precision)
Bevel<0.25mm*45°
CoatingUncoated, AR, HR, PR, others on demand

Note

  • Diameters range: from Ø2.0mm to Ø350mm
  • Thickness range: from 1.0mm to 50.0mm
  • Available clear aperture 100% on request
  • Available different facettes on request

Borosilicate windows (Borofloat, Pyrex….)

Specification
Standard diameters (mm)8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0
Standard thickness (mm)1.0 ~ 50.0
Diameter tolerance (mm)+0.0/-0.2 (standard) +0/-0.02 (high precision)
Thickness tolerance (mm)±0.2 (standard) ±0.005 (high precision)
Clear aperture>80% (small size) >90% (large size)
Parallelism3' (standard), 3" (high precision)
Surface quality60/40 (standard), 10/5 (high precision)
Flatness (per 25mm@633nm)λ/2 (standard), λ/4 (high precision)
Bevel<0.25mm*45°
CoatingUncoated, AR, HR, PR, others on demand

Note

  • Diameters range: from Ø2.0mm to Ø350mm
  • Thickness range: from 1.0mm to 50.0mm
  • Available clear aperture 100% on request
  • Available different facettes on request