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785 nm EdgeBasic™ best-value long-pass edge filter

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EdgeBasic filters offer an ideal combination of performance and value for applications including Raman spectroscopy and fluorescence imaging and measurements. They offer exceptional laser-line blocking and high transmission for Raman applications that do not require measuring the smallest possible Raman shifts and when cost is an issue.

Note on spectral plots:
In the past, each shipment has included a spectral plot for every filter and every lot code in the shipment. In an effort to be more eco-friendly, we will no longer be including these plots with each shipment. If you require spectral plot data, please see here for more information.

Optical Specifications
Transmission BandTavg > 93% 812.1 – 1200 nm
Laser Wavelength785 nm
Laser Wavelength, high790 nm
Laser Wavelength, low780 nm
Edge Wavelength805 nm
Blocking BandODavg > 5 270 – 624 nm
ODabs > 6 624 – 790 nm
Transition Width19.8 nm
309 cm-1


General Specifications
Angle of Incidence0 ± 2 °
Cone Half-angle5 °
Filter Effective Index1.74 Understanding 'Effective Index of Refraction' neff
Optical Damage RatingNot tested


Physical Specifications (for standard parts - please contact us for custom sizes)
Mounted / UnmountedMounted
ShapeRound
Size25 x 3.5 mm
Transverse Dimensions, Diameter25 mm
Transverse Tolerance, Mounted+ 0.0 / - 0.1 mm
Filter Thickness, Mounted3.5 mm
Filter Thickness Tolerance, Mounted± 0.1 mm
Clear Aperture≥ 22 mm
Surface Quality (Scratch-Dig)60-40
Substrate Thickness2.0 mm
Substrate TypeLow-autofluorescence optical quality glass
OrientationArrow on ring indicates preferred direction of propagation of light


BLP01-785R-25

  • Size: 25 x 3.5 mm

Transmission

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Optical Density

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Semrock Spectral Plot Info
BLP01-785R_Spectrum
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BLP01-785R

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