RSI Infrared Beam Expander

Optimized for 8-11.5 microns

RSI's IR Beam Expander is now for sale. Features include:
  • Germanium and Zinc Selenide optics optimized for 8-11.5 micron wavelength range
  • 3.7-times magnification
  • 8.36 mm effective Entrance Pupil Diameter
  • 45-degree full Field Of View
  • 40 mm back working distance to Exit Pupil
  • Adjustment capabilities for collimation, 120 threads-per-inch
Applications
  • Hyper- & Multi- Spectral Imagers
  • Chemical & Bio-agent detection
  • Target image recognition & analysis
  • Matched to currently available RSI/PSI products:
  • Fabry Perot Wide-Angle Interferometer
  • Infrared Beam Expander
Specifications
Optical Substrate Germanium & ZnSe
Housing Substrate Aluminum
AR Coated Per your specification
Mechanical Envelope Ф50 mm, 65 mm long
Mechanical Interface Flange-Mounted



RSI Infrared Beam Expander

Optical Layout

Optical Layout

Near Diffraction-Limited Performance

  • 87% Encircled energy at Airy disk radial distance from centroid 0.4-milliradians
  • Wavefront error nearly invariant over field
  • Corrected for Spherical and Coma
  • Matched to currently available RSI/PSI products:
  • Fabry Perot Wide-Angle Interferometer
  • Infrared Beam Expander

Performance: Spot Diagram of image rays in radians at exit pupil.

Contact Jim Caron at caron@rsimd.com for more information and to customize your order.
Research Support Instruments, Inc. Pasadena, Maryland 21122

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