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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

Dichroic Laser Beam Combiners

TECHSPEC® Dichroic Laser Beam Combiners

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  • Polarization Insensitive
  • Hard Sputtered Coating
  • Multiple Sizes Available

TECHSPEC® Dichroic Laser Beam Combiners are designed to efficiently combine or separate multiple laser beams at a 45° angle of incidence. The filters feature greater than 98% reflection and greater than 95% transmission at popular laser lines, yielding exceptionally low loss. These filters are available in a 12.5, 25, and 50mm diameters, with a range of cut-on, reflection, and transmission wavelengths. These filters are ideal for multi-laser fluorescence imaging and measurement applications, including laser microscopy and flow cytometry. TECHSPEC® Dichroic Laser Beam Combiners are constructed from low autofluorescence substrates with hard sputtered coatings. These filters are ideal for multi-laser fluorescence imaging and measurement applications, including laser microscopy and flow cytometry. 

Note: These filters are optimized for high spectral performance rather than high Laser Induced Damage Thresholds (LIDT). A typical LIDT for these filters is 1 J/cm2 @ 532nm, 10ns. Please contact us if you require a filter with a higher LIDT value.

Manufacturer of
Precision Laser Optics
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Common Specifications

Construction:
Mounted in Black Anodized Ring
Physical Durability:
Adhesion per MIL-PRF-13830B, Section C.4.5.12
Moderate abrasion per MIL-PRF-13830B, Section C.4.5.11
Cleaning per MIL-C-48497A Section 4.5.4.2
Substrate Thickness (mm):
2
Angle of Incidence (°):
45
Substrate:
Fused Silica (Corning 7980)
Coating:
Hard Coated
Reflection (%):
>98
Surface Quality:
60-40
Transmission (%):
>95
Transmitted Wavefront, RMS:
<1λ
Mount Thickness (mm):
3.5 ±0.1
Environmental Durability:
Humidity per MIL-STD-810H, Section 507.6
Temperature per MIL-STD-810H, Section 501.7 and 502.7

Products

Dia. (mm)  Cut-On Wavelength (nm)   Reflection Wavelength (nm)   Transmission Wavelength (nm)   Wavelength Range (nm)   Compare   Stock Number   Price  Buy
12.50 427.00 372 - 415 439 - 647.1 372 - 647
25.00 427.00 372 - 415 439 - 647.1 372 - 647
50.00 427.00 372 - 415 439 - 647.1 372 - 647
12.50 466.00 439 - 457.9 473 - 647.1 439 - 647
25.00 466.00 439 - 457.9 473 - 647.1 439 - 647
50.00 466.00 439 - 457.9 473 - 647.1 439 - 647
12.50 480.00 457.9 - 473 488 - 647.1 458 - 647
25.00 480.00 457.9 - 473 488 - 647.1 458 - 647
50.00 480.00 457.9 - 473 488 - 647.1 458 - 647
12.50 503.00 473 - 491 514.5 - 647.1 473 - 647
25.00 503.00 473 - 491 514.5 - 647.1 473 - 647
50.00 503.00 473 - 491 514.5 - 647.1 473 - 647
12.50 552.00 514.5 - 543.5 561.4 - 790 515 - 790
25.00 552.00 514.5 - 543.5 561.4 - 790 515 - 790
50.00 552.00 514.5 - 543.5 561.4 - 790 515 - 790
12.50 613.00 561.4 - 594.1 632.8 - 790 561 - 790
25.00 613.00 561.4 - 594.1 632.8 - 790 561 - 790
50.00 613.00 561.4 - 594.1 632.8 - 790 561 - 790
12.50 659.00 632.8 - 647.1 671 - 790 633 - 790
25.00 659.00 632.8 - 647.1 671 - 790 633 - 790
50.00 659.00 632.8 - 647.1 671 - 790 633 - 790

Technical Information

All mounted TECHSPEC® Optical Filters have an arrow on the side of the mount that points to the filter-coated surface for quick reference. Filter oriented such that arrow points to filter coated surface S1. Anti-reflective (AR) coating is applied to S2.
All mounted TECHSPEC® Optical Filters have an arrow on the side of the mount that points to the filter-coated surface for quick reference. Filter oriented such that arrow points to filter coated surface S1. Anti-reflective (AR) coating is applied to S2.

Custom

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

  • Custom dimensions, materials, coatings, and more
  • High-precision surface quality and flatness
  • Tight tolerances and complex geometries
  • Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.