The PLX Exceptional Performance Lateral Transfer Hollow RetroreflectorTM (LTHRXP): Designed to perform under the most extreme operating conditions.

LTHRXP

EXCEPTIONAL PERFORMANCE LATERAL TRANSFER HOLLOW RETROREFLECTORS™ (LTHRXP)

  • Patent pending structural design and innovative mounting method.
  • Smaller envelop when space is at premium.
  • Available with sub arc second accuracy.
  • Unprecedented temperature range, ΔT=140°C (284°F).
  • Free-float stress free mounting.
  • Highly shock and vibration resistant.
  • Maintains sub-arcsecond accuracy under rapid thermal transitions 
  • Vacuum-compatible.
  • Large choice of coatings.

Coating Specification Chart

 

Lateral Transfer Hollow Retroreflectors™ (LTHR) Series

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PLX Exceptional Performance Lateral Transfer Hollow Retroreflectors™ (LTHRXP) features a lightweight stress-free mounting bracket and outstanding stability under extreme temperatures.

PLX's new patent pending ULTRA stable structural design provides a lightweight, stress-free unit for applications requiring a compact overall size while maintaining exceedingly high accuracy across an unprecedented temperature range, ΔT=140°C (284°F). 

The new Lateral Transfer Hollow Retroreflector™ mounting bracket can be customized for the desired clear aperture, offset, material requirements, and more. It is combined with innovative impact-damping mounting pads, providing high resistance to shock and vibration. 

It is vacuum-compatible, provides up to sub arc second accuracy, and is highly suited for space applications.

PLX now offers a cutting-edge variant of the LTHRXP made from Zerodur, a unique material renowned for its extremely low thermal expansion properties.

Our patented LTHRXP instruments can maintain sub-arcsecond accuracy with thermal gradients even during fluctuating environmental conditions.

The LTHRXP's ability to handle thermal gradients ensures optimal performance and accuracy, enabling continued operation in dynamic thermal environments.

Customer Case Study:

Ensuring performance of an LTHR mounted in an aircraft stationed in the desert, taking off and quickly climbing to cruising altitude:

  • Requirement: Six minutes after suddenly transitioning from +50° to -40°C, the accuracy had to be better than 2 arcseconds.
  • Result: The LTHRXP met the requirement and was even able to achieve the requirement with a larger temperature difference.
Request a Quote For a Custom Quote

Important:
Please specify your required offset when requesting a quote or placing an order. 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.

Specification Chart
Model Clear Aperture
(in/mm)		 Mirror Surface
Flatness
(p.v.633nm)		 Exiting Beam
Max Deviation
(arc.sec.)
L-10-XP L-10-XP 1.0/25 λ/10 - λ/8 1.0 - 10.0
L-20-XP L-20-XP 2.0/51 λ/10 - λ/8 1.0 - 10.0
Download our product datasheet