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488 nm Verona™  long-pass Raman edge filter

Semrock Part Number: VLP01-488-12.5

IDEX Part Number: FL-433559  /

Verona™ improved transition width and low ripple enables you to collect more Raman signal closer to the laser line. We offer deep blocking at the laser line and high transmission. All our measurements and specifications are backed by the KolaDeep™ Spectral Measurement System.
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  • 827.23 USD Each
    US Domestic pricing – contact your local distributor for other currency list prices
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Optical Specifications Value
Transmission Band 1 Tavg > 93% 490.4 – 1100.8 nm
Transmission Ripple Tripple < 2% 490.4 - 1100.8 nm
Blocking Band 1 OD > 6 488nm
Blocking Band 2 ODavg > 6 400 – 488nm
Laser Wavelength 1 488 nm
Transition Width (nm) < 1.0 nm from 488 nm to T = 50%
Transition Width (cm-1) 30 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
Orientation Arrow on ring indicates preferred direction of propagation of light.
TopicDescription
Cleaning Optical FiltersInstructions for cleaning hard coated optical filters
Filter ReliabilityCompares the performance and reliability of hard coated filters to traditional soft-coated filters and provides information about the testing standards for Semrock filters
Working with Optical Density Tables to describe the relationship between OD and transmission with tips for quickly calculating OD

Specifications

TopicDescription
Cleaning Optical FiltersInstructions for cleaning hard coated optical filters
Filter ReliabilityCompares the performance and reliability of hard coated filters to traditional soft-coated filters and provides information about the testing standards for Semrock filters
Working with Optical Density Tables to describe the relationship between OD and transmission with tips for quickly calculating OD

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