Compare Model Drawings, CAD & Specs Diameter Antireflection Coating Material Surface Quality Angle of Incidence Availability Price
$104
In Stock
25.4 mm 480-700 nm Grade A N-BK7 15-5 scratch-dig 45°
In Stock
$115
In Stock
25.4 mm 700-950 nm Grade A N-BK7 15-5 scratch-dig 45°
In Stock
$125
In Stock
25.4 mm 1290-1580 nm Grade A N-BK7 15-5 scratch-dig 45°
In Stock
$120
In Stock
25.4 mm 480-700 nm UV Grade Fused Silica 15-5 scratch-dig 45°
In Stock
$130
In Stock
25.4 mm 700-950 nm UV Grade Fused Silica 15-5 scratch-dig 45°
In Stock
$140
In Stock
25.4 mm 1290-1580 nm UV Grade Fused Silica 15-5 scratch-dig 45°
In Stock
$272
In Stock
25.4 mm 480-700 nm UV Grade Fused Silica 10-2 scratch-dig 45°
In Stock
$282
In Stock
25.4 mm 700-950 nm UV Grade Fused Silica 10-2 scratch-dig 45°
In Stock
$298
In Stock
25.4 mm 1290-1580 nm UV Grade Fused Silica 10-2 scratch-dig 45°
In Stock
$206
In Stock
50.8 mm 480-700 nm Grade A N-BK7 15-5 scratch-dig 45°
In Stock
$233
In Stock
50.8 mm 700-950 nm Grade A N-BK7 15-5 scratch-dig 45°
In Stock
$258
In Stock
50.8 mm 1290-1580 nm Grade A N-BK7 15-5 scratch-dig 45°
In Stock
$258
In Stock
50.8 mm 480-700 nm UV Grade Fused Silica 15-5 scratch-dig 45°
In Stock
$284
In Stock
50.8 mm 700-950 nm UV Grade Fused Silica 15-5 scratch-dig 45°
In Stock
$298
In Stock
50.8 mm 1290-1580 nm UV Grade Fused Silica 15-5 scratch-dig 45°
In Stock
$325
In Stock
50.8 mm 480-700 nm UV Grade Fused Silica 10-2 scratch-dig 45°
In Stock
$347
In Stock
50.8 mm 700-950 nm UV Grade Fused Silica 10-2 scratch-dig 45°
In Stock
$368
In Stock
50.8 mm 1290-1580 nm UV Grade Fused Silica 10-2 scratch-dig 45°
In Stock
$565
In Stock
76.2 mm 480-700 nm UV Grade Fused Silica 15-5 scratch-dig 45°
In Stock
$595
In Stock
76.2 mm 700-950 nm UV Grade Fused Silica 15-5 scratch-dig 45°
In Stock
$623
In Stock
76.2 mm 1290-1580 nm UV Grade Fused Silica 15-5 scratch-dig 45°
In Stock
$1,080
In Stock
76.2 mm 480-700 nm UV Grade Fused Silica 10-2 scratch-dig 45°
In Stock
$1,190
In Stock
76.2 mm 700-950 nm UV Grade Fused Silica 10-2 scratch-dig 45°
In Stock
$1,268
In Stock
76.2 mm 1290-1580 nm UV Grade Fused Silica 10-2 scratch-dig 45°
In Stock

Features

Wide Spectral Range

Each coating is essentially achromatic across a wide spectral band so that a single optic will work for the entire range of a particular tunable laser, for several laser diode wavelengths, or for most visible laser wavelengths. An arrow on the side points to the non-wedged side (S1) of the beamsplitter, which contains the BS coating.

Slight Wedge Suppresses Unwanted Fringes

Optics with perfectly parallel faces are unsuited for use as reference elements in laser setups as reflections from both surfaces would be collinear resulting in undesired large period fringes. Introduction of a slight wedge causes unwanted reflections from the second surface to be deflected from the optical path.

Three Broadband Dielectric Coatings

Beamsplitters are available with a wide selection of broadband dielectric coatings on the reflecting surface, and matching antireflective coatings on the back surface. Each set of coatings is essentially achromatic across a wide spectral band so that a single optic will work for the entire range of a particular tunable laser, for several laser diode wavelengths, or for most visible laser wavelengths. An arrow on the side points to the non-wedged side (S1) of the beamsplitter, which contains the BS coating.

BK7 or UV Fused Silica Substrates

These beamsplitters are available in either N-BK7 for general use, or UV grade fused silica for optimal wavefront and thermal stability.

Polarization Effects

Our beamsplitting optics are designed for splitting or combining laser beams, which commonly have S-polarized output in a typical scientific setup. S-polarization will be equally split with R/T = 50/50 at 45° incidence. P-polarized beams will be split 30/70 (R/T). Unpolarized light will be split 40/60 (R/T) on average.