LPD02-488RU-25x36x1.1

488 nm RazorEdge Dichroic™ laser-flat beamsplitter

Product Code Description Lead Time Price Quantity Buy / Get Quote
LPD02-488RU-25x36x1.1 488 nm RazorEdge Dichroic™ laser-flat beamsplitter Please Call £704.00
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Specifications

Angle of Incidence:

45 ° with a shift of <= 0.20%/° (35 – 55 °)

Clear Aperture:

≥ 80%

Cone Half-angle:

0.5°

Edge Steepness:

0.5%

Edge Steepness:

101.9 cm-1

Edge Steepness:

2.4 nm

Edge Wavelength:

492.8nm

Filter Effective Index:

2.45 Understanding 'Effective Index of Refraction' neff

Filter Thickness Tolerance, Mounted:

± 0.1mm

Filter Thickness, Mounted:

3.5mm

Flatness / RWE Classification:

Laser

Laser Wavelength:

488nm

Mounted / Unmounted:

Unmounted

Optical Damage Rating:

1 J/cm2 @ 532 nm (10 ns pulse width)

Orientation:

Reflective surface marked with part number – Orient in direction of incoming light

Product Type:

RazorEdge Dichroic Beamsplitter

Reflected Wavefront Error:

< 6λ P-V RWE @ 632.8

Reflection Band:

Rabs > 94% 488 nm

Reflection Band, p-pol:

Rabs > 90% 488 nm

Reflection Band, s-pol:

Rabs > 98% 488 nm

Semrock Filter Family:

RazorEdge® Raman Filters

Shape:

rectangular

Size:

25.2 x 35.6 x 1.1 mm

Steepness:

Ultra Steep

Substrate Type:

Fused Silica

Surface Quality (Scratch-Dig):

60-40

Transition Width:

203 cm-1

Transition Width:

4.9 nm

Transmission Band:

Tavg > 93% 494.3 – 756.4 nm

Transverse Tolerance, Mounted:

+ 0.0 / - 0.1 mm

Transverse Tolerance, Unmounted:

± 0.1 mm

Each beamsplitter reflects a standard laser line incident at 45° while efficiently passing the longer Raman-shifted wavelengths. The filters exhibit ultrasteep transitions from reflection to transmission, with a guaranteed transition width of < 1% of the laser wavelength for the U-grade version.