Adjustable Beam Splitters

Source: LASER COMPONENTS

In very challenging applications a laser user will want to avoid tolerances of even ± 1%. In addition, there are applications in which one ends up with different losses in each beam path after adjustment. For these applications, LASER COMPONENTS has designed a variable beam splitter that has a position-dependent reflection profile. By moving the beam splitter one can obtain a reflection value between 45% and 55% depending on the position. The values can be continuously adjusted.

Details

Click Here To Download:
•Adjustable Beam Splitters Datasheet

The coating is produced using an IAD process; therefore, it does not exhibit a noteworthy drift. Due to the active adjustment, the laser beam cannot only be very precisely split, but it can be split without any absorption losses.

High power beam splitters are used to split a laser beam; they are applied just as often as mirrors or output coupler but producing beam splitters is challenging because of the strict tolerances needed to achieve exact results when splitting a beam.

To split a laser beam into two partial beams of equal intensity, beam splitters are required that both reflect and transmit precisely 50% of the energy. Conventional production of such a dielectric layer has a tolerance of ± 3% or higher. In the worst case scenario for a 100 W beam, the partial beams could exhibit an output power of 47 W and 53 W. With LASER COMPONENTS special IBS coating process, the tolerance can be reduced to just ± 1%.

Click Here To Download:
•Adjustable Beam Splitters Datasheet

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