Optoelectronics

Beam splitters combine portable design with high power

19th August 2014
Staff Reporter
0

Controlling and adjusting the beam output power that reaches the beam profiling camera, the family of LBS-400 Beam Splitters has been launched by Ophir Photonics. The company claimthat the LBS-400 samplers are the largest, dual-wedge attenuators on the market.

The splitters measure UV, NIR, or IR wavelength beams with diameters up to 25.4mm and power levels from 10mW to 500W. The compact, portable design combined with high power ranges make the splitters suited to any situation where beam profiling must be performed in a relatively small area with Pyrocam pyroelectric beam profiling cameras. In addition, Mid-IR and Far-IR wavelength lasers with focused spots down to approximately 1.5mm can be easily characterized.

The LBS-400 family has been designed so the preferential polarization selection effect of a single wedge is cancelled out. The resulting beam image is polarization corrected to restore the polarization components of the original beam. The splitters reflect approximately 1% of the input beam, allowing about 99% of the beam to pass through at a 5š angle into a beam dump or power meter. A set of adjustable filters further reduce the intensity of the beam before reaching the camera.

The splitters are offered in three configurations:
 
-  LBS-400-UV: fused silica UV wedges for wavelengths from 266 ­ 355nm, sampling ¾ 1.5% of the beam
-  LBS-300-NIR: BK7 wedges for 1064nm wavelengths, sampling ¾ 1% of the beam
-  LBS-300-IR: ZnSe wedges for 10.6µm, sampling ¾ 1% of the beam

Available now, OEM pricing for the splitters is available on request.


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