1/4-Wave N-BK7 Window 12.5mm Dia. VIS-NIR Coating
#45-658
Diameter (mm)
12.50
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
3.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
VIS-NIR, Rabs ≤0.25% @ 880nmavg ≤1.25% @ 400 - 870nmavg ≤1.25% @ 890 - 1000nm
Typical Energy Density Limit
5 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 10mm Dia. VIS-NIR Coating
#45-657
Diameter (mm)
10.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
2.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
VIS-NIR, Rabs ≤0.25% @ 880nmavg ≤1.25% @ 400 - 870nmavg ≤1.25% @ 890 - 1000nm
Typical Energy Density Limit
5 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 50mm Dia. MgF2 Coating
#45-584
Diameter (mm)
50.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
4.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
Typical Energy Density Limit
10 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 50mm Dia. Uncoated
#45-583
Diameter (mm)
50.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
4.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
Uncoated
RoHS
Compliant
1/4-Wave N-BK7 Window 40mm Dia. MgF2 Coating
#45-582
Diameter (mm)
40.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
4.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
Typical Energy Density Limit
10 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 40mm Dia. Uncoated
#45-581
Diameter (mm)
40.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
4.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
Uncoated
RoHS
Compliant
1/4-Wave N-BK7 Window 30mm Dia. MgF2 Coating
#45-580
Diameter (mm)
30.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
4.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
Typical Energy Density Limit
10 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 30mm Dia. Uncoated
#45-579
Diameter (mm)
30.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
4.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
Uncoated
RoHS
Compliant
1/4-Wave N-BK7 Window 20mm Dia. MgF2 Coating
#45-578
Diameter (mm)
20.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
3.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
Typical Energy Density Limit
10 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 20mm Dia. Uncoated
#45-577
Diameter (mm)
20.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
3.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
Uncoated
RoHS
Compliant
1/4-Wave N-BK7 Window 15mm Dia. MgF2 Coating
#45-576
Diameter (mm)
15.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
3.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
Typical Energy Density Limit
10 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 15mm Dia. Uncoated
#45-575
Diameter (mm)
15.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
3.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
Uncoated
RoHS
Compliant
1/4-Wave N-BK7 Window 5mm Dia. MgF2 Coating
#45-574
Diameter (mm)
5.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
2.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
Typical Energy Density Limit
10 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 5mm Dia. Uncoated
#45-573
Diameter (mm)
5.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
2.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
Uncoated
RoHS
Compliant
1/4-Wave N-BK7 Window 25mm Dia. MgF2 Coating
#45-258
Diameter (mm)
25.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
4.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
Typical Energy Density Limit
10 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 12.5mm Dia. MgF2 Coating
#45-257
Diameter (mm)
12.50
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
3.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
Typical Energy Density Limit
10 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 10mm Dia. MgF2 Coating
#45-256
Diameter (mm)
10.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
2.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
Typical Energy Density Limit
10 J/cm2 @ 532nm, 10ns
RoHS
Compliant
1/4-Wave N-BK7 Window 25mm Dia. Uncoated
#45-076
Diameter (mm)
25.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
4.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
Uncoated
RoHS
Compliant
1/4-Wave N-BK7 Window 12.5mm Dia. Uncoated
#45-075
Diameter (mm)
12.50
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
3.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
Uncoated
RoHS
Compliant
1/4-Wave N-BK7 Window 10mm Dia. Uncoated
#45-074
Diameter (mm)
10.00
Dimensional Tolerance (mm)
+0.0/-0.25
Clear Aperture (%)
85
Thickness (mm)
2.00
Thickness Tolerance (mm)
±0.20
Surface Accuracy (λ)
1/4
Surface Quality
60-40
Parallelism (arcminutes)
1
Substrate
N-BK7
Coating
Uncoated
RoHS
Compliant
1/4λ N-BK7 Precision Windows
View Legend
