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488/561 nm Yokogawa dichroic beamsplitter

Part Number: Di01-T488/561-13x15x0.5

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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
Reflection Band 1Ravg > 95% 422 – 467 nm
Edge Wavelength 1476 nm
Transmission Band 1Tavg > 85% 483 – 493 nm
Reflection Band 2Ravg > 95% 509 – 542 nm
Edge Wavelength 2553 nm
Transmission Band 2Tavg > 85% 560 – 563 nm
Reflection Band 3Ravg > 95% 577 – 750 nm

General Filter Specifications
Laser Wavelength 1488 nm
Laser Wavelength 2561.4 nm
Angle of Incidence45 ± 1.5 degrees
Cone Half-angle0.5 degrees
Optical Damage RatingNot Tested
Filter Effective Index1.90 Understanding ‘Effective Index of Refraction’ neff
Flatness / RWE ClassificationLaser
Reflected Wavefront Error< 6λ P-V RWE @ 632.8 nm

Physical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)
Transverse Dimensions (L x W)13.0 mm x 15.0 mm
Transverse Tolerance+ 0.0 / - 0.2 mm
Filter Thickness (unmounted)0.5 mm
Filter Thickness Tolerance (unmounted)± 0.02 mm
Clear Aperture≥ 80% (elliptical)
Substrate Thickness (unmounted)0.5 mm
Substrate Thickness Tolerance (unmounted)± 0.02 mm
OrientationUnmarked (reflective coating towards sample)

Emission Filters


523/610 nm BrightLine® dual-band bandpass filter

• Tavg > 93% 503 – 543 nm & Tavg > 93% 584 – 636 nm
• Center Wavelengths of 523 nm & 610 nm and GMBWs of 40 nm & 52 nm

Custom sizing delivery confirmed ARO (sizing fee applies).
Part # FF01-523/610-25
(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.
Tech Note
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
Laser Scanning/Spinning Disk Confocal MicroscopyAn overview of confocal microscopy techniques and applications, including solutions from Semrock and additional learning resources.

T488/561 Di01-T488/561

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