640-19 OD6 ULTRA Bandpass Filter

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640-19 OD6 ULTRA Bandpass Filter

Description

Details
ULTRA Series bandpass filter with a 640 nm (± 2.0 nm) center wavelength (CWL), a 19 nm full-width at half-maximum (FWHM), and wide-range OD6 out-of-band blocking from 250 nm to 925 nm (with additional blocking up to 1100 nm). This bandpass filter has exceptionally steep edges and greater than 95% average transmission from 633 nm to 647 nm. It is coated on a 2 mm thick fused silica substrate and mounted in a standard 25 mm (+0/-0.1 mm) diameter, 3.5 mm (± 0.1 mm) thick anodized aluminum ring. Alluxa ULTRA Series fluorescence filters are designed to optimize fluorescence instrument performance, resulting in bright, high contrast images of target molecules. ULTRA Series filters provide better overall performance than our standard fluorescence filters by using a combination of tight wavelength control, ultra-steep edges, deeper blocking, and the industry's highest transmission levels. 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 7594
Angle of Incidence 0 Degrees
Center Wavelength 640 nm ± 2.0 nm
FWHM 19 nm Nominal
Transmission Band(s) 633 to 647 nm > 95% T Average
Blocking Level OD6
Blocking Range(s)* OD6: 250 to 625 nm, 655 to 925 nm; OD2: 925 to 1100 nm
Parallelism < 3.0 Arcseconds
Transmitted Wavefront Error < 0.25 Wave RMS @ 632.8nm
Substrate Type Fused Silica
Dimensions 25.0 mm Diameter
Filter Thickness 2.0 mm
Assembly Type Anodized Aluminum Ring
Assembly Thickness 3.5 mm
Main Fluorophore(s) Cy®5
*Auxiliary blocking typical based on the displayed spectrum.

Availability: In stock

$405.00