Laser Power Attentuators - Motorized

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Laser Power Attentuators - Motorized

Laserand offers motorized laser power attenuators for laser power control. Laser Power Attenuators could be produced for use in the UV, visible, and NIR spectral ranges from 250 nm to 2000 nm. These devices feature a large clear aperture dedicated for considerable beam application.

Clear Aperture, mm	Ø18
Configuration	λ/2 ZO Waveplate + High contrast brewster type thin film polarizer
Laser Damage Threshold, J/cm²	>10 [J/cm²] (10 ns @ 1064 nm)
Switching time (closed - opened), ms	<200
Resolution	175,543 μsteps in full rotation (0.002 deg, 7.4 arcsec, 0.035 mrad)
Repeatability	±10 μsteps (±0.02 deg, less than ±0.05 %) [after 10,000 positions without homing]
Bandwidth, nm	5 - 10
Dimensions, mm	76 x 36 x 58
Dimensions with beam dump, mm	76 x 52 x 58
Controller mechanical dimensions, mm	125 x 53 x 31
Communication	Using ASCII commands described in manual
Cable length, m	1.5
Software platform	LPA software
Input voltage from external power supply	DC 12 V
Control interfaces	USB, RS232, Ethernet
Working Temperatures, °C	10 to 40
Mounting Thread	M6 on both sides, M4 on the bottom side
Beam Dump	Dissipation Power (avg) at room temperature <6W
Housing material	Anodized aluminum

Description

Details

Optical components of the Laser Power Attenuators are made for high LIDT applications and provide stable and reliable performance even when using them with high power lasers in industrial applications.
The secondary laser beam from the laser power attenuator unit is rejected out through the output window to an external beam dump (optional) in order to avoid any thermal effects or stress in the housing of the Laser Power Attenuator device. An exit laser beam has a 2.25 mm beam offset.

What’s in the box?

Motorized laser power attenuator
Controller
Software
Power supply DC 12V
USB (1.5 m) cable

Available accessories

Attachable beam dump <6W with coated protective window
Separated beam dump <30W
RS232 cables: 1.8 m, 5 m, 10 m, 15m
DIN35 rail adapter

Features

Robust design
Damage threshold up to 10 J/cm² (10 ns @ 1064 nm)
Adjustable polarizer angle ±2 deg
Clear aperture 18 mm
External controller included
Intuitive software
175,543 steps in full rotation
± 0,05 % laser power accuracy
Adjustment time <0.2 sec (min to max)

Applications

Laser machining
Research
Laser power control and attenuation

Name	Design Wavelength, nm	Attenuation range	LIDT	Contrast	Price	Quantity
LPA-0257	257	0.5 - 95 %	2 J/cm² (10 ns @266 nm)	1:200	US$1,800.00
LPA-0266	266	0.5 - 95 %	2 J/cm² (10 ns @266 nm)	1:200	US$1,800.00
LPA-0343	343	0.2 - 96 %	3 J/cm² (10 ns @355 nm)	1:500	US$1,650.00
LPA-0355	355	0.2 - 96 %	3 J/cm² (10 ns @355 nm)	1:500	US$1,650.00
LPA-0515	515	0.1 - 98 %	5 J/cm² (10 ns @532 nm)	1:1000	US$1,520.00
LPA-0532	532	0.1 - 98 %	5 J/cm² (10 ns @532 nm)	1:1000	US$1,520.00
LPA-1030	1030	0.1 - 98 %	10 J/cm² (10 ns @ 1064 nm)	1:1000	US$1,520.00
LPA-1064	1064	0.1 - 98 %	10 J/cm² (10 ns @ 1064 nm)	1:1000	US$1,520.00