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Focal Shift Photometric Errors in Fourier Transform Infrared Spectroscopy

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Abstract:

The resolution matched throughput of a Fourier transform infrared spectrometer is

τ = π/2 D 2Δv/v max     (1)

where D is the (unvignetted) beam diameter at the beamsplitter (fairly close to the interferometer mirror diameter), Δv the resolution, and v max the maximum frequency.

Keywords: Fourier transform infrared spectroscopy; Infrared; Interferometry, infrared

Document Type: Short Communication

DOI: http://dx.doi.org/10.1366/000370278774330946

Affiliations: Block Engineering, Cambridge, Massachusetts 02139

Publication date: September 1, 1978

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