491_574 ULTRA Dualband Dichroic Beamsplitter

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491_574 ULTRA Dualband Dichroic Beamsplitter

Description

Details
ULTRA Series dualband dichroic filter with 491 nm and 574 nm (± 3.0 nm) cut-on wavelengths, steep edge transitions, greater than 93% average transmittance from 497 nm to 527 nm and 582 nm to 700 nm, and greater than 95% average reflectance from 390 nm to 485 nm and 539 nm to 566 nm. This polychroic filter is designed for use at a 45 degree angle of incidence (AOI). It is coated on a 1.04 mm fused silica substrate and is 25.2 mm x 35.6 mm (± 0.1 mm) in size. Alluxa ULTRA Series longpass dichroic beamsplitters are designed for use with our fluorescence excitation and emission filters to optimize fluorescence instrument performance, resulting in bright, high contrast images of target molecules. All Alluxa optical filters are highly durable and hard-coated using our innovative SIRRUS™ plasma deposition process. Contact us for custom sizing.

Specifications

Item Number 7174
Angle of Incidence 45 Degrees
Cut-On Wavelength 491 nm ± 3.0 nm, 574 nm ± 3.0 nm
Transmission Band(s) 497 to 527 nm > 93% T Average, 582 to 700 nm > 93% T Average
Reflection Band(s) 390 to 485 nm > 95% R Average, 539 to 566 nm > 95% R Average
Parallelism < 3.0 Arcseconds
Transmitted Wavefront Error < 0.25 Wave RMS @ 632.8nm
Substrate Type Fused Silica
Dimensions 25.2x35.6 mm
Filter Thickness 1.05 mm
Assembly Type Unmounted

Availability: On backorder - Please contact us for manufacturing time

$395.00