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The LTHR is perfect for folding parallel light 180º degrees and displacing it any given distance.
This device is virtually a segment of a perfect Hollow retroreflector, and therefore operates as an invariant. In applications where the LTHR is vibrated, the exiting beam remains static and maintains perfect parallelism with the entrance beam. The beam deviation can be as accurate as one arc second. The LTHR provides a perfect solution for a "U" fold in a large size Michelson interferometer, or in a back to back retroreflector configuration for folding interferometers. The LTHR is also useful when the flat mirror is made as a 50/50 beamsplitter. This configuration enables the user to observe the view ahead, while simultaneously viewing another parallel optical axis. In addition, the LTHR is extremely temperature stable because all component parts have the same coefficient of thermal expansion (CTE).
For applications where the major beam must be aligned with two or more other optical axes, see PLX Specification Sheet for "Rotary Movement Devices".
Perfect Optical Alignment made Simple
When requesting a quote or placing an order, please specify your required offset. The offset is the distance from the center of one clear aperture to the other. All catalog LTHRs are custom made units to your requested offset specification.
|Catalog Number||Mirror Surface Flatness (λ=633nm)||Exiting Beam Max Deviation (arc.sec.)||3D Models
|1.0" Clear Aperture||2.0" Clear Aperture|
|L-10-1||L-20-1||λ/10||1.0||Click Here L-10
Click Here L-20
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