648nm CWL, 12.5mm Dia, 14nm Bandwidth, OD 6 Fluorescence Filter

Diameter (mm):

12.50 +0.00/-0.10

Center Wavelength CWL (nm):

648.00

Full Width-Half Max FWHM (nm):

20.00

Minimum Transmission (%):

Optical Density OD (Average):

≥6.0

Coating:

Hard Coated

Compatible Fluorophore:

FITC Emission

Blocking Wavelength Range (nm):

250 - 1100

Bandwidth (nm):

14.00

Clear Aperture CA (mm):

8.69

Surface Quality:

60-40

Angle of Incidence (°):

0 ±5

Construction:

Mounted in Black Anodized Ring

Environmental Durability:

MIL-STD-810F, Section 507.4

Mount Thickness (mm):

3.5 ±0.1

OD 6 Blocking Wavelength Range (nm):

300 - 621 & 677 - 925

Physical Durability:

MIL-C-48497A, Section 3.4.1

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

UV Grade Fused Silica

Substrate Thickness (mm):

2.00 ±0.25

Transmitted Wavefront, RMS:

λ/4

Type:

Bandpass Filter

Manufacturer:

Regulatory Compliance

RoHS 2015:

Compliant

Reach 211:

Compliant

Product Family Description

Common Wavelengths for Popular Fluorophores
Excitation Filters and Emission Filters Available
>93% Transmission
>OD 6 Blocking, <3% from Edge of Bandwidth
Fluorescence Filter Sets and Pre-Mounted Fluorescence Filter Cube Sets Also Available

Our TECHSPEC® Fluorescence Bandpass Filters are perfectly matched to common fluorophores used in fluorescence imaging applications. Excitation Filters and Emission Filters are available featuring >93% transmission and >OD 6 blocking outside of the passband. These filters are also ideal components in spectroscopy and clinical chemistry applications, as well as biotech instruments such as DNA sequencers and polymerase chain reaction (PCR) testing platforms. Each filter is hard sputtered coated on a single fused silica substrate, and mounted in a black anodized ring.

For a full list of compatible fluorophores for each Excitation or Emission Filter, view Fluorophores and Optical Filters for Fluorescence Microscopy.

All mounted TECHSPEC® Optical Filters have an arrow on the side of the mount that points to the filter-coated surface for quick reference. Filter oriented such that arrow points to filter coated surface S1. Anti-reflective (AR) coating is applied to S2.

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