We manufacture a variety of laser beam expanders for HeNe laser to suit most laser types. Wavefront distortion of less than λ/4 guarantees a minimum focused spot size even at long ranges. The lenses are anti-reflection coated with magnesium fluoride optimized for 632.8 nm, yielding transmission of over 95%.

These beam expanders can be conveniently attached to most HeNe lasers with the 1-32 accessory thread and are equipped with precision beam centering adjustments to compensate for slight decentration of the entering laser beam.

Beam Expanders for HeNe 632.8nm

P/N WL MAG IN D
mm
OUT D
mm
L1
mm
L2
mm
D
mm
Thread
IN
Thread
OUT
BX-633-2X 633 2X 8 18 59.65 11.72 30 M22X0.75 M30X1
BX-633-3X 633 3X 8 18 60.42 12.48 30 M22X0.75 M30X1
BX-633-4X 633 4X 8 18 60.06 12.12 30 M22X0.75 M30X1
BX-633-5X 633 5X 8 18 59.57 11.63 30 M22X0.75 M30X1
BX-633-6X 633 6X 8 18 59.92 11.99 30 M22X0.75 M30X1
BX-633-8X 633 8X 6 18 60.43 12.50 30 M22X0.75 M30X1
BX-633-10X 633 10X 6 18 60.65 12.71 30 M22X0.75 M30X1
BX-633-15X 633 15X 8 18 99.10 -- 30 M22X0.75 --
BX-633-20X 633 20X 8 30 102.19 -- 45 M30X1 M43X0.75
BX-633-30X 633 30X 8 32 149.81 -- 45 M22X0.75 M43X0.75
BX-633-40X 633 40X 8 100 232.6 -- 112 M22X0.75 --
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