Optical Specifications	Value
Transmission Band 1	Tavg > 93% 538.9 – 824.8 nm
Reflection Band 1	Rabs > 94% 532 nm
Reflection Band 1 (p-pol)	Rabs > 90% 532 nm
Reflection Band 1 (s-pol)	Rabs > 98% 532 nm
Edge Wavelength 1	537.2 nm
Edge Steepness (%)	0.5%
Edge Steepness (cm-1)	93.5 cm-1
Edge Steepness (nm)	2.7 nm
Laser Wavelength 1	532 nm
Transition Width (nm)	5.3 nm
Transition Width (cm-1)	186 cm-1
General Filter Specifications	Value
Angle of Incidence	45 degrees with a shift of ≤ 0.20%/degree (35 – 55 degrees) - see MyLight for performance
Cone Half-angle	0.5 degrees
Optical Damage Rating	1 J/cm² @ 532 nm (10 ns pulse width)
Flatness / RWE Classification	Laser
Reflected Wavefront Error	< 6λ P-V RWE @ 632.8 nm
Steepness	Ultra Steep
Physical Filter Specifications	Value
Transverse Dimensions (diameter)	25 mm
Transverse Tolerance	+ 0.0 / – 0.1 mm
Filter Thickness (mounted)	3.5 mm
Filter Thickness Tolerance (mounted)	± 0.1 mm
Clear Aperture	≥ 22 mm
Scratch-Dig	60-40
Substrate Type	Fused Silica
Filter Thickness (unmounted)	2.0 mm
Filter Thickness Tolerance (unmounted)	± 0.1 mm
Orientation	Arrow on ring indicates preferred direction of propagation of light.

Topic	Description
Cleaning Optical Filters	Instructions for cleaning hard coated optical filters
Filter Reliability	Compares the performance and reliability of hard coated filters to traditional soft-coated filters and provides information about the testing standards for Semrock filters
Flatness of Dichroic Beamsplitters	Describes the impact of non-flat dichroic beamsplitters on microscope image fidelity
Measuring Light with Wavelengths & Wavenumbers	Compares units of wavelength to wavenumbers and provides formulas for calculating wavenumber shift
Laser Damage Threshold	Provides information for calculating laser damage threshold for pulsed and continuous wave lasers
Filter Types for Raman Spectroscopy Applications	Compares the performance of different combinations of LWP and SWP edge filters, notch and laser line filters for Raman applications
RazorEdge Filter Layouts	Describes two different filter layouts that are commonly used in Raman applications

Topic	Description
Thin-Film Filters for Raman Spectroscopy	Turan Erdogan, PhD, and Victor Mizrahi, PhD, Semrock Inc., Spectroscopy, December 2004 Describes the types and functions of filters commonly used in Raman spectroscopy

Topic	Description
Flatness of Dichroic Beamsplitters Affects Focus and Image Quality	Analysis of how the radius of curvature of a dichroic filter affects focal plane shift, spot size and image fidelity in fluorescence microscopy.

Topic	Description
Raman Spectroscopy	An overview of Raman spectroscopy, including solutions from Semrock and additional learning resources.

Link	Description
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532 nm RazorEdge™ Dichroic laser beamsplitter

Specifications