Substrate material: UV fused silica, CaF2 or BK7
S1 Surface Figure: λ/10 @ 633nm
S1 Surface Quality: 10-5 laser quality
S2 Surface Quality: Commercial Finish
Diameter Tolerance: +0.0/-0.20 mm
Thickness Tolerance: ±0.25 mm
Wedge: <3 are min.
Clear Aperture: >85% of diameter
Chamfer: 0.3mm at 45 typical
Damage Thredold: >10j/cm2  10ns
Adhesion Threshold: Per MIL-C-675A

How To Order

Size
Code DaumeterD ThicknessT
0512 0.500″ 0.125″
0525 0.500″  0.250″
0537 0.500″ 0.375″
0712 0.750″ 0.125″
0725  0.750″ 0.250″
0737 0.750″ 0.375″
1012 1.000″ 0.125″
1025 1.000″ 0.250″
1037 1.000″ 0.375″
1525 1.500″ 0.250″
1537 1.500″ 0.375″
2025 2.000″ 0.250″
2037 2.000″ 0.375″
3037 3.000″ 0.375″
3050 3.000″ 0.500″
4050 4.000 0.500″
Standard Wavelength
  (nm)
193 694
213 755
244-257 780
248 800
266 830
308 850
337 940
355 1053
364 1047,1053
488-529 1064
488-515 1235
527 1319
532 1550
589 2010
633 2100
670 2940

Refkectabce
(%)
10±2
20±3
25±3
30±3
35±3
40±3
50±5
60±4
70±4
75±4
80±4
85±4
90±3
95±2
95±1
99±0.5

* Other percentage of reflection and dimensions available in prototype and production quantities.