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Interference Bandpass Filters
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SPECIFICATIONS |
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Thickness |
0.25" nomial
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Surface Flatness: |
 /2
for Y-direction
/4
for X-direction @ 633nm |
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Surface Quality: |
Commercial Polish
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Centration Error: |
<3
arc min. |
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Focal Length Tolerance: |
± 0.5 % |
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Diameter Tolerance: |
+0.0/-0.25 mm
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Thickness Tolerance: |
± 0.25 mm |
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Clear Aperture: |
> 80% of diameter |
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Chamfer: |
0.3mm at 45 typical |
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... |
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Reflective Neutral Density Filters
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SPECIFICATIONS |
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Substrate material: |
VUV CaF2, UVFS or BK7 |
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Surface Flatness: |
/2
for Y-direction
/4
for X-direction @ 633nm |
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Surface Quality: |
20-10 laser quality |
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Centration Error: |
<3
arc min. |
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Focal Length Tolerance: |
± 0.5 % |
|
Diameter Tolerance: |
+0.0/-0.20 mm |
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Thickness Tolerance: |
± 0.25 mm |
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Clear Aperture: |
> 85% of diameter |
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Chamfer: |
0.3mm at 45 typical |
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... |
Absorptive
Neutral Density Filters
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SPECIFICATIONS |
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Substrate material: |
VUV CaF2, UVFS or BK7 |
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Surface Flatness: |
/2
for Y-direction
/4
for X-direction @ 633nm |
|
Surface Quality: |
20-10 laser quality |
|
Centration Error: |
<3
arc min. |
|
Focal Length Tolerance: |
± 0.5 % |
|
Diameter Tolerance: |
+0.0/-0.20 mm |
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Thickness Tolerance: |
± 0.25 mm |
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Clear Aperture: |
> 85% of diameter |
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Chamfer: |
0.3mm at 45 typical |
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... |
Long Wave
Pass Filters
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SPECIFICATIONS |
|
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Substrate material: |
VUV CaF2, UVFS or BK7 |
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Surface Flatness: |
/2
for Y-direction
/4
for X-direction @ 633nm |
|
Surface Quality: |
20-10 laser quality |
|
Centration Error: |
<3
arc min. |
|
Focal Length Tolerance: |
± 0.5 % |
|
Diameter Tolerance: |
+0.0/-0.20 mm |
|
Thickness Tolerance: |
± 0.25 mm |
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Clear Aperture: |
> 85% of diameter |
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Chamfer: |
0.3mm at 45 typical |
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... |
Short Wave
Pass Filters
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SPECIFICATIONS |
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Substrate material: |
VUV CaF2, UVFS or BK7 |
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Surface Flatness: |
/2
for Y-direction
/4
for X-direction @ 633nm |
|
Surface Quality: |
20-10 laser quality |
|
Centration Error: |
<3
arc min. |
|
Focal Length Tolerance: |
± 0.5 % |
|
Diameter Tolerance: |
+0.0/-0.20 mm |
|
Thickness Tolerance: |
± 0.25 mm |
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Clear Aperture: |
> 85% of diameter |
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Chamfer: |
0.3mm at 45 typical |
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... |
Color Glass Bandpass
Filters
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SPECIFICATIONS |
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Substrate material: |
VUV CaF2, UVFS or BK7 |
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Surface Flatness: |
/2
for Y-direction
/4
for X-direction @ 633nm |
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Surface Quality: |
20-10 laser quality |
|
Centration Error: |
<3
arc min. |
|
Focal Length Tolerance: |
± 0.5 % |
|
Diameter Tolerance: |
+0.0/-0.20 mm |
|
Thickness Tolerance: |
± 0.25 mm |
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Clear Aperture: |
> 85% of diameter |
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Chamfer: |
0.3mm at 45 typical |
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... |
Color Glass Long
Wave Sharp Cut Filters
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SPECIFICATIONS |
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Substrate material: |
VUV CaF2, UVFS or BK7 |
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Surface Flatness: |
/2
for Y-direction
/4
for X-direction @ 633nm |
|
Surface Quality: |
20-10 laser quality |
|
Centration Error: |
<3
arc min. |
|
Focal Length Tolerance: |
± 0.5 % |
|
Diameter Tolerance: |
+0.0/-0.20 mm |
|
Thickness Tolerance: |
± 0.25 mm |
|
Clear Aperture: |
> 85% of diameter |
|
Chamfer: |
0.3mm at 45 typical |
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... |
Heat Control
Filters
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SPECIFICATIONS |
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Substrate material: |
VUV CaF2, UVFS or BK7 |
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Surface Flatness: |
/2
for Y-direction
/4
for X-direction @ 633nm |
|
Surface Quality: |
20-10 laser quality |
|
Centration Error: |
<3
arc min. |
|
Focal Length Tolerance: |
± 0.5 % |
|
Diameter Tolerance: |
+0.0/-0.20 mm |
|
Thickness Tolerance: |
± 0.25 mm |
|
Clear Aperture: |
> 85% of diameter |
|
Chamfer: |
0.3mm at 45 typical |
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... |
Heat
Absorbing Filters
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SPECIFICATIONS |
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Substrate material: |
VUV CaF2, UVFS or BK7 |
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Surface Flatness: |
/2
for Y-direction
/4
for X-direction @ 633nm |
|
Surface Quality: |
20-10 laser quality |
|
Centration Error: |
<3
arc min. |
|
Focal Length Tolerance: |
± 0.5 % |
|
Diameter Tolerance: |
+0.0/-0.20 mm |
|
Thickness Tolerance: |
± 0.25 mm |
|
Clear Aperture: |
> 85% of diameter |
|
Chamfer: |
0.3mm at 45 typical |
|
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... |
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