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> OPTICS > Optical Filter

Optical Filter

㈜쓰리엘시스템은 고품질의 필터를 경쟁력 있는 가격으로 제공합니다.

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 Tolerance : +0.0/-0.25mm
· Thickness Tolerance : ±0.25mm
· Clear Aperture : > 80% of diameter
· Chamfer : 0.3mm at 45 typical

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

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

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

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

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

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

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

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