㈜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