Beam expanders


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Product Catalog 2016

InStockOptics

Laser optics direct from stock. All products are inspected at metrology laboratory, certified and delivered worldwide direct from European Union.

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Fixed Ratio Beam Expanders

Fixed Ratio Beam Expanders
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Lens material UVFS
Transmitted wavefront distortion (TWD) <λ/4 @ 632.8 nm
Overall transmission 98%
Housing material black anodized aluminium
Mounting thread SM1
Laser Damage Threshold >10J/cm2 for 10 ns pulses @ 1064 nm
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Attention! You can customise this product to your needs.
Altechna offers beam expanders assembled from diverging and converging lens pair, so there is no focal point inside the beam expander, thus it can be used for high powers. For low expansion ratios (1.3 - 20 times) the Galilean beam expander is preferred due to its simplicity and small size. Standard beam expanders are designed to exhibit diffraction limited performance which means optical path difference along the beam profile is <λ/4. Fused silica material lenses are used which makes the beam expanders suitable for high power and femtosecond applications. Beam expander for any wavelength between 266 - 2000 nm is available on request.
varna Diffraction limited performance
varna Magnifications options from 2X to 12X
varna Convenient divergence compensation.
varna Compact size
varna High power applications
varna Diffraction limmited performance for diameters 2-3mm (1/e^2)
varna SM1 mounting thread

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