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488/568 nm Yokogawa emission filter

Part Number: Em01-R488/568-25

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  • Your filter spectrum may differ slightly from the typical spectrum above, but is certified to meet the optical specifications noted below.
Semrock Optical Filter: Em01-R488/568  Em01  R488/568
488/568 nm Yokogawa emission filter
Combining superior performance with exceptional durability, these filters are specifically optimized for use with all Yokogawa CSU spinning-disk scan head system configurations.
Part NumberSizePrice1Stock StatusQuantity
Em01-R488/568-2525 mm x 3.5 mm$495In StockAdd To Cart

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Custom Sizing Limits:
Diameter Range: 5mm - 50.8mm
Rectangular Dimensions: 5mm - 50.8mm

Substrate thickness/tolerance as listed on Specifications tab.
Dimensional tolerances are ±0.1mm for unhoused parts.

For sizes outside the limits listed above, please contact customer service at 1-866-SEMROCK



1) US domestic pricing only. If you are ordering from outside the US, please contact your nearest regional distributor for the correct list price.
Optical Specifications
SpecificationValue
Transmission Band 1Tavg > 90% 503 – 546 nm
Center Wavelength 1524.5 nm
Guaranteed Minimum Bandwidth 143 nm
FWHM Bandwidth 1 (nominal)52.5 nm
Transmission Band 2Tavg > 90% 583 – 700 nm
Center Wavelength 2641.5 nm
Guaranteed Minimum Bandwidth 2117 nm
FWHM Bandwidth 2 (nominal)132.4 nm
Blocking Band 1ODabs > 6 405 nm
Blocking Band 2ODabs > 6 442 nm
Blocking Band 3ODabs > 6 488 nm
Blocking Band 4ODabs > 6 561 – 568 nm

General Filter Specifications
SpecificationValue
Angle of Incidence0 ± 5 degrees
Cone Half-angle7 degrees
Optical Damage RatingTesting 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.
Filter Effective Index1.76 Understanding ‘Effective Index of Refraction’ neff

Physical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)
SpecificationValue
Transverse Dimensions (Diameter)25 mm
Transverse Tolerance (mounted)+ 0.0 / - 0.1 mm
Filter Thickness (Mounted)3.5 mm
Filter Thickness Tolerance (Mounted)± 0.1 mm
Clear Aperture≥ 80%
Scratch-Dig60-40
Substrate Thickness (unmounted)2.0 mm
Substrate Thickness Tolerance (unmounted)± 0.1 mm
OrientationArrow on ring indicates preferred direction of propagation of light

Tech Note
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 DensityTables to describe the relationship between OD and transmission with tips for quickly calculating OD
Application
TopicDescription
Laser Scanning/Spinning Disk Confocal MicroscopyAn overview of confocal microscopy techniques and applications, including solutions from Semrock and additional learning resources.

488/568 Yokogawa CSU Emission Filter Em01-R488/568 Em01 Em01-R488/568-25

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