Imaging Spectrographs

Mid Wave Infrared Spectrograph

mid wave infrared spectrographThe mid wave infrared spectrograph is designed for the 3-5 µm range. It is intended to explore and remotely identify solids, liquids and gases in the C-H, O-H, N-H stretching vibration region. At this time, these spectrographs are available only for integration with certain camera types. For custom integration to your camera, please contact Middleton Spectral Vision.

For more information, including mechanical drawings, contact our application engineers.

Specifications
Optical Characteristics
Spectral Range 3000 - 5000 nm
Spectral Dispersion 560 nm/mm
Spectral Resolution 35 nm
Spatial Resolution RMS spot radius < 60 µm
Image Size (Spectral x Spatial) 3.57 x 9.6 mm
Numerical Aperture F/2.0
Optical Input Standard
Average Diffraction Efficiency > 65%
Transmission of Optics > 65%
Stray Light < 0.5% (halogen lamp, 1400 nm long-pass filter)
Slit Width, default 120 µm
Slit Length 19 mm
Magnification 1:2
Aberrations
Bending of Spectral Lines Across Spatial Axis Smile < 2 µm (0.056%)
Bending of Spatial Lines Across Spectral Axis Keystone < 4 µm (0.042%)
Mechanical Characteristics
Body Aluminum casting
Size (W x H x L) 60 x 97 x 154 mm
Weight 770 g
Lens Mount Custom
Camera Mount Custom
Mid Wave Infrared Spectrograph Ordering Information
Part numberDescriptionProduct Name
MRC-317-006-01 ImSpector M-Series MWIR Spectrograph M50M, 120 µm slit ImSpector M50M

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