PLX Monolithic Michelson Interferometers

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A Michelson Interferometer is an instrument that splits a beam of light into two paths, reflects them off mirrors, and then recombines them to create an interference pattern. Monolithic Michelson Interferometers offer enhanced stability and alignment compared to traditional designs with multiple components. They are particularly useful in applications requiring high precision, such as radial velocity measurements for exoplanet searches and mid-infrared FTIR spectroscopy.

Rugged construction and permanent alignment make the PLX monolithic interferometers suitable for the most demanding FTIR analyzer applications.

PLX is a Luxium Solutions brand that has been at the forefront of developing high-quality monolithic optics for over 60 years. PLX optics can withstand and perform under the harshest environmental conditions and maintain their accuracy over time.

Key Features

Monolithic design
Rugged construction
Permanent alignment
Superb optical stability
Suitable for demanding FTIR analyser applications

Products

Rugged construction and permanent alignment make the PLX monolithic interferometers suitable for your most demanding FTIR analyzer applications.

INT05-N Monolithic Michelson Interferometers

Principal optical component of a NIR FTIR spectrometer, 12.7mm aperture.
Operating range 4000-12500 cm^-1.
No hygroscopic materials.
Monolithic, alignment-free construction. No adjustments of any kind.
OPD controlled by LPR-05 Low Profile Retroreflector: Order separately.
Cost-competitive with less stable multi-part mechanical designs.
Quadrature Waveplate assembly available separately.
Customizable: Contact Mi-Net with your requirements.

Full specs and detailed description on the PLX website here.

INT10-M Monolithic Michelson Interferometers

Principal optical component of a Mid-IR FTIR spectrometer, Ø25.4mm aperture.
Operating range 650-4000 cm^-1.
No hygroscopic materials.
Monolithic, alignment-free construction. No adjustments of any kind.
OPD controlled by LPR-10 Low Profile Retroreflector: Order separately.
Customizable: Contact PLX with your requirements.
Cost-competitive with less stable multi-part mechanical designs.
Customizable: Contact Mi-Net with your requirements.

Full specs and detailed description on the PLX website here.

LPR-Series Low Profile Retroreflectors

Exceptional mechanical stability and accuracy due to monolithic construction.
For critical applications such as Michelson interferometers.
Compact design for critical OEM applications.
Self-compensating mirror configuration with excellent beam return accuracy.
Can be mounted in any orientation via integral post.
Mirrors can be coated for maximization over any spectral range, from UV to far IR.
Vacuum compatible.
Versions tested to withstand military and harsh space environments.
Custom “Knife Edge” design option available upon request, enhances beam quality, eliminates the cause of obscuration.
RoHS Compliant.

Full specs and detailed description on the PLX website here.