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TECHSPEC® Fluorescence Dichroic Filters
From fast modifications to stock optics to custom designs, we can help you take your optical system from design to prototype to volume production. Contact us to get started today.
TECHSPEC® Fluorescence Dichroic Filters (sometimes referred to as dichroic plate beamsplitters or dichroic mirrors) feature broad, flat transmission and reflection ranges with an ultra-steep slope between them. These attributes make them ideal for fluorescence imaging or spectral sorting applications, including DNA sequencing and polymerase chain reaction (PCR) diagnostic instruments. They are a perfect complement to our TECHSPEC® Fluorescence Bandpass Filters. TECHSPEC Fluorescence Dichroic Filters, in the 25.2 x 35.6mm size will fit into most common Nikon, Zeiss, and Olympus fluorescence microscopes. The other sizes are well suited to benchtop setups or OEM instrumentation requiring beam separation, beam combination, or multi-spectral detection.
| Filter Type | Transmitted Wavefront (RMS) | Surface Quality | Surface Flatness (P-V) |
R(avg) | T(avg) |
|---|---|---|---|---|---|
| HP Dichroic | λ/10 | 40-20 | λ/2 | >98% | >90% |
| Fluorescence Dichroics | 1λ | 60-40 | - | >98% | >90% |
| Dichroic Longpass | λ/4 | 40-20 | - | >97% | >85% |
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