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Edgepass Filter Kits


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Edgepass Filter Kits

filter diagram

Applications

  • Emission Filters in Fluorescence Applications
  • Order Sorting Filters for Photometry
  • Stray Light or Trim Filters to Eliminate any Unwanted Near Band Radiation
  • Raman Spectroscopy Filters
  • Astronomy Applications

Thorlabs' Edgepass Filter Kits each contain 10 mounted longpass or shortpass filters for isolating regions of the visible or IR spectrum. Each filter is mounted in a Ø1" black anodized aluminum ring that can be placed into our selection of Ø1" lens tubes. The filters are packaged in a metal storage box. Detailed specifications can be found in the table below.

Our edgepass filters are constructed of durable dielectric coatings and will withstand the normal cleaning and handling associated with any high-quality optical component. Their film construction is essentially a modified quarter-wave stack, using interference effects, rather than absorption, to isolate their spectral bands. Thus, unlike colored filter glass, the cut-off/cut-on wavelength will be shifted to shorter wavelengths with an increase in the angle of incidence. This feature can be useful in applications where it is desirable to fine tune the location of the cut-on or cut-off wavelength. Our edgepass filters are hermetically sealed for maximum humidity protection and may be combined for custom bandpass filters.

SpecificationsLongpass FiltersShortpass Filters
Transmission Region-~400 nm to Cut-off
Transmission at Peak80% (400 - 700 nm)
75% (750 - 1000 nm)
70% (>1000 nm)
70% (<500 nm)
70% (500 - 540 nm)
80% (550 - 1000 nm)
Cut-On or Cut-Off Tolerance
(Δλ@ 50% of Peak)
±3 nm to 750 nm
±15 nm to 1000 nm
±3 nm to 750 nm
±15 nm to 1000 nm
Rejection Region0.01% abs., 0.01% 200 nm to Cut On0.01% abs., 0.0001% avg. (1.3X Cut-Off)
Cut-Off Slope3% OD = 0.3 to OD = 44-5%, OD = 0.3 to OD = 4
ConstructionImmersed Dielectric
Scratch/Dig80/50 per Mil-0-13830A
Substrate MaterialSoda Lime or Equivalent

To inquire about our custom edgepass filter options, including the possibility of alternative cut-on or cut-off wavelengths, please contact Tech Support. Please note that there is a significant lead time and tooling cost associated with custom filters that makes the purchase of only a few pieces fairly costly.

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Posted Comments:
Poster:
Posted Date: 2010-06-10 20:59:51.0
Response from Javier at Thorlabs to t6669036: there are two methods that you can use to safely clean your filter. The first method is the drag method: -Blow off any superficial dirt and dust with compressed air (CA3) -Place a kimwipe on the optic and pour a generous amount of reagent-grade isopropyl alcohol or acetone and slowly drag the tissue uniformly across the surface of the mirror -The solvents should then evaporate without leaving any spots or streaks The second method is very simple. You can use cotton tipped applicators along with isopropyl alcohol or an optical cleaner such as the FCS3 (same page as CA3), and gently run the applicator in a circular pattern throughout the surface of the optic. I hope this helps.
Poster: t6669036
Posted Date: 2010-06-10 12:09:56.0
I want to know the proper way to clean this filter. My filter is dirty and Im afraid if I didnt clean it properly it will be damaged. Thank you very much and looking forward to hearing from you soon.
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Visible Shortpass Filter Kit
Item #Transmission
Dataa
Cut-On
Wavelength
Item # Transmission
Dataa
Cut-On
Wavelength
FES0450 info 450 nm FES0700 info 700 nm
FES0500 info 500 nm FES0750 info 750 nm
FES0550 info 550 nm FES0800 info 800 nm
FES0600 info 600 nm FES0900 info 900 nm
FES0650 info 650 nm FES1000 info 1000 nm
  • The shaded regions in these graphs denote the spectral ranges over which we recommend using these filters. Please keep in mind that the data given is typical, and performance may vary from lot to lot, particularly outside of the shaded regions.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FKSP01 Support Documentation
FKSP01 Visible Shortpass Filter Kit, Mounted, Set of 10
$735.00
Today
Visible Longpass Filter Kit
Item #Transmission
Dataa
Cut-On Wavelength Item #Transmission
Dataa
Cut-On Wavelength
FEL0500 info 500 nm FEL0750 info 750 nm
FEL0550 info 550 nm FEL0800 info 800 nm
FEL0600 info 600 nm FEL0850 info 850 nm
FEL0650 info 650 nm FEL0900 info 900 nm
FEL0700 info 700 nm FEL0950 info 950 nm
  • The shaded regions in these graphs denote the spectral ranges over which we recommend using these filters. Please keep in mind that the data given is typical, and performance may vary from lot to lot, particularly outside of the shaded regions.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FKLP01-VIS Support Documentation
FKLP01-VIS Visible Longpass Filter Kit, Mounted, Set of 10
$735.00
Today
IR Longpass Filter Kit
Item #Transmission
Dataa
Cut-On Wavelength Item #Transmission
Dataa
Cut-On Wavelength
FEL1000 info 1000 nm FEL1250 info 1250 nm
FEL1050 info 1050 nm FEL1300 info 1300 nm
FEL1100 info 1100 nm FEL1350 info 1350 nm
FEL1150 info 1150 nm FEL1400 info 1400 nm
FEL1200 info 1200 nm FEL1500 info 1500 nm
  • The shaded regions in these graphs denote the spectral ranges over which we recommend using these filters. Please keep in mind that the data given is typical, and performance may vary from lot to lot, particularly outside of the shaded regions.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FKLP01-IR Support Documentation
FKLP01-IR IR Longpass Filter Kit, Mounted, Set of 10
$735.00
Today
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