757 nm edge BrightLine^® single-edge standard epi-fluorescence dichroic beamsplitter

Semrock Part Number: FF757-Di01-25x36

IDEX Part Number: FL-007068 /

Optical Specifications	Value
Transmission Band 1	Tavg > 93% 768 – 1100 nm
Transmission Band 2	Tavg > 93% 768 – 849 nm
Reflection Band 1	Ravg > 98% 450 – 746 nm
Reflection Band 2	Ravg > 98% 671 – 746 nm
Edge Wavelength 1	757 nm
General Filter Specifications	Value
Angle of Incidence	45 ± 1.5 degrees
Cone Half-angle	2 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 hours.
Flatness / RWE Classification	Standard Epi-fluorescence
Reflected Wavefront Error	>> 6λ P-V RWE @ 632.8 nm
Steepness	Standard
Physical Filter Specifications	Value
Transverse Dimensions (L x W)	25.2 mm x 35.6 mm
Transverse Tolerance	± 0.1 mm
Clear Aperture	≥ 80% (elliptical)
Scratch-Dig	60-40
Filter Thickness (unmounted)	1.05 mm
Filter Thickness (unmounted)	1.05 mm
Filter Thickness Tolerance (unmounted)	± 0.05 mm
Filter Thickness Tolerance (unmounted)	± 0.05 mm
Orientation	Reflective surface marked with part number - Orient in direction of incoming 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

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

White Paper

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.

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% 768 – 1100 nm
Transmission Band 2: Tavg > 93% 768 – 849 nm
Reflection Band 1: Ravg > 98% 450 – 746 nm
Reflection Band 2: Ravg > 98% 671 – 746 nm
Edge Wavelength 1: 757 nm
General Filter Specifications: Value
Angle of Incidence: 45 ± 1.5 degrees
Cone Half-angle: 2 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 hours.
Flatness / RWE Classification: Standard Epi-fluorescence
Reflected Wavefront Error: >> 6λ P-V RWE @ 632.8 nm
Steepness: Standard
Physical Filter Specifications: Value
Transverse Dimensions (L x W): 25.2 mm x 35.6 mm
Transverse Tolerance: ± 0.1 mm
Clear Aperture: ≥ 80% (elliptical)
Scratch-Dig: 60-40
Filter Thickness (unmounted): 1.05 mm
Filter Thickness (unmounted): 1.05 mm
Filter Thickness Tolerance (unmounted): ± 0.05 mm
Filter Thickness Tolerance (unmounted): ± 0.05 mm
Orientation: Reflective surface marked with part number - Orient in direction of incoming 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

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

White Paper

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.

Application

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

Specifications