Name: 975nm CWL, 50mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter
Brand: TECHSPEC
SKU: 86-972
Price: S$892.50

Diameter (mm):

50.00 +0.0/-0.1

Angle of Incidence (°):

Bandwidth (nm):

Optical Density OD (Average):

≥4.0

Clear Aperture CA (mm):

45.0

Center Wavelength CWL (nm):

975.00

Full Width-Half Max FWHM (nm):

50.00

Optical Glass

Minimum Transmission (%):

≥90

Coating:

Hard Coated

Surface Quality:

80-50

Transmission (%):

≥90

Type:

Bandpass Filter

Blocking Wavelength Range (nm):

200 - 1200

Construction:

Mounted in Black Anodized Ring

Environmental Durability:

MIL-STD-810F, Section 507.4

Physical Durability:

MIL-C-48497A, Section 3.4.1

Mount Thickness (mm):

5.0 ±0.1

Substrate Thickness (mm):

3.5 ±0.5

Regulatory Compliance

RoHS 2015:

Compliant

Reach 223:

Compliant

Certificate of Conformance:

View

Product Family Description

High Transmission, Deep Blocking
Broad Bandwidths Ideal for Imaging Applications
Available in VIS and IR Center Wavelengths
Hard Coated OD 4.0 10nm and 25nm Bandpass Filters Also Available

TECHSPEC® Hard Coated OD 4.0 50nm Bandpass Filters are ideal for eliminating unwanted background noise and enhancing the signal to noise ratio for a range of imaging applications including machine vision inspection, fluorescence microscopy, and a variety of biotech instrumentation. Unlike traditional filters, which require multiple substrates and coatings, these hard coated filters are fabricated using only a single substrate. The hard coated, single substrate fabrication offers deeper blocking, higher transmission, and steeper slopes than traditional coated filters.

Note: These filters are optimized for high spectral performance rather than high Laser Induced Damage Thresholds (LIDT). A typical LIDT for these filters is 1 J/cm² @ 532nm, 10ns. Please contact us if you require a filter with a higher LIDT value.

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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