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Item has been Discontinued. See Other Parts to Consider tab below.

442/514/647 nm Yokogawa emission filter

Part Number: Em01-R442/514/647-25

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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.
Optical Specifications
Transmission Band 1Tavg > 90% 458 – 497 nm
Center Wavelength 1477.5 nm
Guaranteed Minimum Bandwidth 139 nm
FWHM Bandwidth 1 (nominal)51.7 nm
Transmission Band 2Tavg > 90% 529 – 620 nm
Center Wavelength 2574.5 nm
Guaranteed Minimum Bandwidth 291 nm
FWHM Bandwidth 2 (nominal)103.9 nm
Transmission Band 3Tavg > 90% 667 – 750 nm
Center Wavelength 3708.5 nm
Guaranteed Minimum Bandwidth 383 nm
FWHM Bandwidth 3 (nominal)98.1 nm
Blocking Band 1ODabs > 6 405 nm
Blocking Band 2ODabs > 6 442 nm
Blocking Band 3ODabs > 6 514 nm
Blocking Band 4ODabs > 6 638 – 647 nm

General Filter Specifications
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 Index1.81 Understanding ‘Effective Index of Refraction’ neff

Physical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)
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%
Substrate Thickness (unmounted)2.0 mm
Substrate Thickness Tolerance (unmounted)± 0.1 mm
OrientationArrow on ring indicates preferred direction of propagation of light

Dichroic Beamsplitters


442/514/647 nm Yokogawa dichroic beamsplitter

• Dichroic Beamsplitter for Yokogawa CSU scanhead
• Tavg > 80% 405 – 442 nm, Tavg > 80% 514 nm & Tavg > 80% 638 – 647 nm
• Ravg > 95% 458 – 497 nm, Ravg > 95% 533 – 620 nm & Ravg > 95% 665 – 750 nm

This part is not available for custom sizing.
Part # Di01-T442/514/647-13x15x0.5
(Non-US pricing info)

US domestic pricing only. If you are ordering from outside the US, please contact your nearest regional distributor for the correct list price.

442/514/647 Yokogawa CSU Emission Filter Em01-R442/514/647 Em01

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