633 nm Verona^™ long-pass Raman edge filter

Semrock Part Number: VLP02-633-12.5

IDEX Part Number: FL-428836 /

Optical Specifications	Value
Transmission Band 1	Tavg > 93% 636.2 – 1427.4 nm
Transmission Ripple	Tripple < 2% 636.2 - 1427.4 nm
Blocking Band 1	OD > 6 633 nm
Blocking Band 2	ODavg > 6 525 – 633 nm
Laser Wavelength 1	633 nm
Transition Width (nm)	< 1.3 nm from 633 nm to T = 50%
Transition Width (cm-1)	32.4 cm-1
General Filter Specifications	Value
Angle of Incidence	0 ± 2 degrees
Cone Half-angle	0 degrees
Optical Damage Rating	Testing has proven to show no signs of degradation when exposed to at least 6.0 W of power from an unfiltered xenon arc lamp over a 25 mm diameter (corresponding to 1.2 W/cm2) for over 500 hrs.
Physical Filter Specifications	Value
Transverse Dimensions (diameter)	12.5 mm
Transverse Tolerance	+ 0.0 / – 0.1 mm
Filter Thickness (mounted)	5 mm
Filter Thickness Tolerance (mounted)	± 0.1 mm
Clear Aperture	≥ 10 mm
Scratch-Dig	60-40
Filter Thickness (unmounted)	3.0 mm
Filter Thickness Tolerance (unmounted)	± 0.1 mm

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
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
Working with Optical Density	Tables to describe the relationship between OD and transmission with tips for quickly calculating OD
Filter Spectra at Non-normal Angles of Incidence	Discusses how angle tuning affects the spectral response of different types of filters.
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

Journal Article

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

Application

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

Optical Specifications: Value
Transmission Band 1: Tavg > 93% 636.2 – 1427.4 nm
Transmission Ripple: Tripple < 2% 636.2 - 1427.4 nm
Blocking Band 1: OD > 6 633 nm
Blocking Band 2: ODavg > 6 525 – 633 nm
Laser Wavelength 1: 633 nm
Transition Width (nm): < 1.3 nm from 633 nm to T = 50%
Transition Width (cm-1): 32.4 cm-1
General Filter Specifications: Value
Angle of Incidence: 0 ± 2 degrees
Cone Half-angle: 0 degrees
Optical Damage Rating: Testing has proven to show no signs of degradation when exposed to at least 6.0 W of power from an unfiltered xenon arc lamp over a 25 mm diameter (corresponding to 1.2 W/cm2) for over 500 hrs.
Physical Filter Specifications: Value
Transverse Dimensions (diameter): 12.5 mm
Transverse Tolerance: + 0.0 / – 0.1 mm
Filter Thickness (mounted): 5 mm
Filter Thickness Tolerance (mounted): ± 0.1 mm
Clear Aperture: ≥ 10 mm
Scratch-Dig: 60-40
Filter Thickness (unmounted): 3.0 mm
Filter Thickness Tolerance (unmounted): ± 0.1 mm

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
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
Working with Optical Density	Tables to describe the relationship between OD and transmission with tips for quickly calculating OD
Filter Spectra at Non-normal Angles of Incidence	Discusses how angle tuning affects the spectral response of different types of filters.
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

Journal Article

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

Application

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

Specifications