Interference Bandpass Filters |
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Thickness: 0.25″ nominal Surface Flatness: Figure: 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/-0.25 mm Thickness Tolerance: ±0.25 mm Clear Aperture: >80% of diameter Chamfer: 0.3mm at 45 typical |
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Reflective Neutral Density Filters |
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Thickness: VUV CaF2, UVFS or BK7 Surface Flatness: Figure: 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/-0.20 mm Thickness Tolerance: ±0.25 mm Clear Aperture: >85% of diameter Chamfer: 0.3mm at 45 typical |
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Absorptive Neutral Density Filters |
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Thickness: VUV CaF2, UVFS or BK7 Surface Flatness: Figure: 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/-0.20 mm Thickness Tolerance: ±0.25 mm Clear Aperture: >85% of diameter Chamfer: 0.3mm at 45 typical |
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Long Wave Pass Filters |
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Thickness: VUV CaF2, UVFS or BK7 Surface Flatness: Figure: 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/-0.20 mm Thickness Tolerance: ±0.25 mm Clear Aperture: >85% of diameter Chamfer: 0.3mm at 45 typical |
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Short Wave Pass Filters |
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Thickness: VUV CaF2, UVFS or BK7 Surface Flatness: Figure: 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/-0.20 mm Thickness Tolerance: ±0.25 mm Clear Aperture: >85% of diameter Chamfer: 0.3mm at 45 typical |
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Color Glass Bandpass Filters |
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Thickness: VUV CaF2, UVFS or BK7 Surface Flatness: Figure: 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/-0.20 mm Thickness Tolerance: ±0.25 mm Clear Aperture: >85% of diameter Chamfer: 0.3mm at 45 typical |
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Color Glass Long Wave Sharp Cut Filters |
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Thickness: VUV CaF2, UVFS or BK7 Surface Flatness: Figure: 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/-0.20 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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Thickness: VUV CaF2, UVFS or BK7 Surface Flatness: Figure: 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/-0.20 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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Thickness: VUV CaF2, UVFS or BK7 Surface Flatness: Figure: 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: Â ±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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