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GCC-202004 VIS & IR Laser Interference Filters

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GCC-202004 VIS & IR Laser Interference Filters

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66.2
GCC-202004 VIS & IR Laser Interference Filters
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Filters
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     GCC-2020 VIS & IR Laser Interference Fiters

 

Interference filters are fabricated by a series of thin layers of various dielectric materials sandwiched by glsaa substrates.When multiwavelength light passes through the filter interference occurs due to the differences in refractive index,resulting in a very high transmittance for certain wavelength, while other wavelengths are either reflected or absorbed. For a given wavelength a very narrow bandwidth (3nm-10nm) cam be obtained.Optical interference filters are angle-sensitive and should be used with nomal or near normal incident light. If the incident angle exceeds 20,it is essential to specify s-polarization, or p-polarization or random (the average of s and p polarization) when ordering. Filters for the major laser wavelengths are available from stock.

Those for other wavelengths and dimensions may be custom designed.The interferenve filters are extremely durable and withstand repeated cleaning.

Every filter comes in an anodized aluminum housing fou protection against humidity and handling. The highly reflective side of the filter should generally face the source to minimize the thermal load on the absorptive glass and epoxies.

 

•Center Wavelengh Tolerance:                                         ±2nm
•Transmission Spectrum width (FWHM):                           10nm±2nm
•Minimum Peak Transmission:                                          410 to 515nm≥50%; 520 to 1550nm≥55%
•Out-of-Band Blocking:                                                     <0.01%(X-ray to far IR)
•Temperature Range:                                                       -50℃ to+80℃
•Center Wavelength Shifts:                                               <0.02nm/ ℃ (linearly with temperature)
•Housing Diameter:                                                           25.4+0.0/-0.15
•Thickness:                                                                       6mm
•Clear Aperture:                                                                >80% Diameter

 

GCC-2020 VIX & IR Laesr Interference Filters

Part No.

Center Wavelength(nm)

Peak Transmittance Min

GCC-202001

446.1

50%

GCC-202002

488

50%

GCC-202003

532

55%

GCC-202004

632.8

55%

GCC-202005

670

55%

GCC-202006

830

55%

GCC-202007

980

55%

GCC-202008

1064

55%

GCC-202009

1550

55%

GCC-202010

514.5

55%

GCC-202011

650

55%

GCC-202012

780

55%

GCC-202013

808

55%

GCC-202014

850

55%

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