Variable Beam Expanders (High Power)

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Variable Beam Expanders (High Power)

VEX series Variable manual Laser beam Expanders are used to increase or decrease laser beam diameter. Standard or custom-made laser beam expanders for the UV, visible, and NIR spectral ranges feature a unique mechanical sliding-lens design, ensuring high pointing stability and minimal dimensions.

These variable magnification (zoom) beam expanders are designed for the required wavelength and each type of our beam expanders have divergence adjustability.

Lens material	UVFS
Adjustment	Manual
Adjustable divergence	YES
Pointing Stability	<1 mrad
Overall transmission	>95%
LIDT	3 J/cm2 (10 ns @ 355nm) 5 J/cm2 (10 ns @ 532 nm) 10 J/cm2 (10 ns @ 1064 nm)

Description

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Optical elements of laser beam expanders are made of fused silica with high LIDT coatings and provide stable and reliable performance even when using them with high power lasers. Large input and output apertures allow the optical beam expanders to produce diffraction-limited expanded (or reduced) beams for a wide range of input beams.

Documents

VEX1-5-HP Drawing Size: (289.4 KB)

Features

Highest beam pointing stability (<0,5 mrad)
Fused silica optical elements
Grease free mechanical design
Sliding lens design
Diffraction limited performance for all magnifications

Applications

Laser micromachining
Research

Name	Expansion	Design Wavelength, nm	Input aperture, mm	Clear output aperture	Recommended Max Input beam Diameter (1/e2), mm	Dimensions, mm	Mounting	Price	Quantity
VEX1-5-HP-0532-0355	1.0x - 5.0x continuous	515-532 + 343-355	Ø11	Ø24	Ø7 mm (1x) - Ø3.3 mm (5x)	Ø58 x 250 mm	T-mount, SM2, ⌀50.8 mm [2’]	US$2,600.00
VEX1-5-HP-1064-0532	1.0x - 5.0x continuous	1030-1064 + 515-532	Ø11	Ø24	Ø7 mm (1x) - Ø3.3 mm (5x)	Ø58 x 250 mm	T-mount, SM2, ⌀50.8 mm [2’]	US$2,600.00

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Variable Beam Expanders (High Power)

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