409/493/596 nm BrightLine® triple-edge dichroic beamsplitter

Product Code Description Lead Time Price Quantity Buy / Get Quote
FF409/493/596-Di02-22x29 409/493/596 nm BrightLine® triple-edge dichroic beamsplitter 1-2 weeks £489.00
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Angle of Incidence:

45 ± 1.5 °

Clear Aperture:

≥ 80% (elliptical)

Cone Half-angle:

Filter Effective Index:

1.71 Understanding 'Effective Index of Refraction' neff

Filter Thickness Tolerance, Unmounted:

± 0.05mm

Filter Thickness, Unmounted:


Flatness / RWE Classification:

Standard Epi-fluorescence

Mounted / Unmounted:


Optical Damage Rating:

Testing has proven to show no signs of degradation when exposed to at least 6.0 W of power from an unfiltered xenon arc lamp over a 25 mm diameter (corresponding to 1.2 W/cm2) for over 500 hrs.


Reflective surface marked with part number – Orient in direction of incoming light

Product Type:

Triple-edge Dichroic Beamsplitter

Reflected Wavefront Error:

>> 6λ P-V RWE @ 632.8

Semrock Filter Family:

BrightLine® Fluorescence Filters




22.0 x 29.0 x 1.1 mm



Substrate Thickness:


Substrate Type:

low-autofluorescence optical quality glass

Surface Quality (Scratch-Dig):


Transverse Tolerance, Mounted:

± 0.1 mm

Band 1

Edge Wavelength:


Reflection Band:

Ravg > 95% 350 – 404 nm

Transmission Band:

Tavg > 93% 414 – 450 nm

Band 2

Edge Wavelength:


Reflection Band:

Ravg > 95% 461 – 487.5 nm

Transmission Band:

Tavg > 93% 499.5 – 546 nm

Band 3

Edge Wavelength:


Reflection Band:

Ravg > 95% 559.5 – 589.5 nm

Transmission Band:

Tavg > 93% 604 – 850 nm

Multi-edge dichroics have two or more transitions from high reflectance to high transmission. Semrock offers a wide range of dichroic beamsplitters that exhibit steep edges with very high reflection and transmission bands. This standard epi-fluorescence dichroic beamsplitter is optimized only for broadband light sources such as LEDs and metal halide lamps.


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 spetral plot data, please see here for more information.