Optical Filter
OPTICAL FILTER
INTERFERENCE BANDPASS FILTER
- 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 Tolerasce : +0.0/-0.25mm
- Thickness Tolerance : ±0.25mm
- Clear Aperture : > 80% of diameter
- Chamfer : 0.3mm at 45 typicals
![0x0_5e61cfe036d19](https://i0.wp.com/3lsystemsusa.com/wp-content/uploads/2023/05/0x0_5e61cfe036d19.jpg?resize=300%2C264&ssl=1)
REFLECTIVE NEUTRAL DENSITY FILTER
- 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/-0.20mm
- Thickness Tolerance : ±0.25mm
- Clear Aperture : > 85% of diameter
- Chamfer : 0.3mm at 45 typical
![0x0_5e61cfe074086](https://i0.wp.com/3lsystemsusa.com/wp-content/uploads/2023/06/0x0_5e61cfe074086.jpg?resize=300%2C264&ssl=1)
ABSORPTIVE NEUTRAL DENSITY FILTER
- 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/-0.20mm
- Thickness Tolerance : ±0.25mm
- Clear Aperture : > 85% of diameter
- Chamfer : 0.3mm at 45 typical
![0x0_5e61cfe0ce71b](https://i0.wp.com/3lsystemsusa.com/wp-content/uploads/2023/06/0x0_5e61cfe0ce71b.jpg?resize=300%2C264&ssl=1)
LONG WAVE PASS FILTER
- 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/-0.20mm
- Thickness Tolerance : ±0.25mm
- Clear Aperture : > 85% of diameter
- Chamfer : 0.3mm at 45 typical
![0x0_5e61cfe115eb7](https://i0.wp.com/3lsystemsusa.com/wp-content/uploads/2023/06/0x0_5e61cfe115eb7.jpg?resize=300%2C264&ssl=1)
SHORT WAVE PASS FILTER
- 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/-0.20mm
- Thickness Tolerance : ±0.25mm
- Clear Aperture : > 85% of diameter
- Chamfer : 0.3mm at 45 typical
![0x0_5e61cfe154d51](https://i0.wp.com/3lsystemsusa.com/wp-content/uploads/2023/06/0x0_5e61cfe154d51.jpg?resize=300%2C264&ssl=1)
COLOR GLASS BANDPASS FILTER
- 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/-0.20mm
- Thickness Tolerance : ±0.25mm
- Clear Aperture : > 85% of diameter
- Chamfer : 0.3mm at 45 typical
![0x0_5e61cfe18e122](https://i0.wp.com/3lsystemsusa.com/wp-content/uploads/2023/06/0x0_5e61cfe18e122.jpg?resize=300%2C264&ssl=1)
COLOR GLASS LONG WAVE SHARP CUT FILTER
- 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/-0.20mm
- Thickness Tolerance : ±0.25mm
- Clear Aperture : > 85% of diameter
- Chamfer : 0.3mm at 45 typical
![0x0_5e61cfe1c45f4](https://i0.wp.com/3lsystemsusa.com/wp-content/uploads/2023/06/0x0_5e61cfe1c45f4.jpg?resize=300%2C264&ssl=1)
HEAT CONTROL FILTER
- 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/-0.20mm
- Thickness Tolerance : ±0.25mm
- Clear Aperture : > 85% of diameter
- Chamfer : 0.3mm at 45 typical
![0x0_5e61cfe202b2e](https://i0.wp.com/3lsystemsusa.com/wp-content/uploads/2023/06/0x0_5e61cfe202b2e.jpg?resize=300%2C264&ssl=1)
HEAT ABSORBING FILTER
- 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/-0.20mm
- Thickness Tolerance : ±0.25mm
- Clear Aperture : > 85% of diameter
- Chamfer : 0.3mm at 45 typical
![0x0_5e61cfe2413bb](https://i0.wp.com/3lsystemsusa.com/wp-content/uploads/2023/06/0x0_5e61cfe2413bb.jpg?resize=300%2C264&ssl=1)