INTERFERENCE BANDPASS FILTER
SPEC
Thickness | 0.25“ normal |
---|---|
Surface Flatness | λ/2 for Y-direction, λ/4 for X-direction @ 633nm |
Surface Quality | Commercial Polish |
Centration Error | < 3 arc min. |
Focal Length Tolerance | ± 0.5% |
Diameter Tolerance | +0.0/-0.25mm |
Thickness Tolerance | ±0.25mm |
Clear Aperture | > 80% of diameter |
Chamfer | 0.3mm at 45 typical |
REFLECTIVE NEUTRAL DENSITY FILTER
SPEC
Substrate | VUV CaF2, UVFS of BK7 |
---|---|
Surface Flatness | λ/2 for Y-direction, λ/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/-0.25mm |
Thickness Tolerance | ±0.25mm |
Clear Aperture | > 85% of diameter |
Chamfer | 0.3mm at 45 typical |
ABSORPTIVE NEUTRAL DENSITY FILTER
SPEC
Substrate | VUV CaF2, UVFS of BK7 |
---|---|
Surface Flatness | λ/2 for Y-direction, λ/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/-0.25mm |
Thickness Tolerance | ±0.25mm |
Clear Aperture | > 85% of diameter |
Chamfer | 0.3mm at 45 typical |
LONG WAVE PASS FILTER
SPEC
Substrate | VUV CaF2, UVFS of BK7 |
---|---|
Surface Flatness | λ/2 for Y-direction, λ/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/-0.25mm |
Thickness Tolerance | ±0.25mm |
Clear Aperture | > 85% of diameter |
Chamfer | 0.3mm at 45 typical |
SHORT WAVE PASS FILTER
SPEC
Substrate | VUV CaF2, UVFS of BK7 |
---|---|
Surface Flatness | λ/2 for Y-direction, λ/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/-0.25mm |
Thickness Tolerance | ±0.25mm |
Clear Aperture | > 85% of diameter |
Chamfer | 0.3mm at 45 typical |
COLOR GLASS BANDPASS FILTER
SPEC
Substrate | VUV CaF2, UVFS of BK7 |
---|---|
Surface Flatness | λ/2 for Y-direction, λ/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/-0.25mm |
Thickness Tolerance | ±0.25mm |
Clear Aperture | > 85% of diameter |
Chamfer | 0.3mm at 45 typical |
COLOR GLASS LONG WAVE SHARP CUT FILTER
SPEC
Substrate | VUV CaF2, UVFS of BK7 |
---|---|
Surface Flatness | λ/2 for Y-direction, λ/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/-0.25mm |
Thickness Tolerance | ±0.25mm |
Clear Aperture | > 85% of diameter |
Chamfer | 0.3mm at 45 typical |
HEAT CONTROL FILTER
SPEC
Substrate | VUV CaF2, UVFS of BK7 |
---|---|
Surface Flatness | λ/2 for Y-direction, λ/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/-0.25mm |
Thickness Tolerance | ±0.25mm |
Clear Aperture | > 85% of diameter |
Chamfer | 0.3mm at 45 typical |
HEAT ABSORBING FILTER
SPEC
Substrate | VUV CaF2, UVFS of BK7 |
---|---|
Surface Flatness | λ/2 for Y-direction, λ/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/-0.25mm |
Thickness Tolerance | ±0.25mm |
Clear Aperture | > 85% of diameter |
Chamfer | 0.3mm at 45 typical |