Prism interferometer for a compact Fourier-transform spectroscope

Takanori Kiyokura, Takahiro Ito, Renshi Sawada

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

As a step toward a field-use spectrometer based on Fourier-transform spectroscopy, we have developed a prism-scanning interferometer. It consists of a sliding triangular prism with two mirror surfaces attached to a fixed triangular-prism beam splitter. This design eliminates the effect of ambient air and simplifies alignment, which can otherwise be time consuming. It also halves the stage-moving distance, because the optical path difference is doubled, since both mirrors move while the sliding prism is scanning. We have tested the basic operation of the prototype and found that the spectral resolution and the wavelength scale agree well with our simple calculation.

Original languageEnglish
Pages (from-to)893-895
Number of pages3
JournalOptics Letters
Volume25
Issue number12
DOIs
Publication statusPublished - Jun 15 2000

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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