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Related Experiment Videos

Planar reflection grating lens for compact spectroscopic imaging system.

Shogo Ura1, Fumikazu Okayama, Koichi Shiroshita

  • 1Department of Electronics and Information Science, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.

Applied Optics
|January 28, 2003
PubMed
Summary

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A new compact spectroscopic imaging device uses a grating lens and fiber array to analyze light. This innovative system achieves 5 nm spectral and 0.25 mm spatial resolution for detailed subject analysis.

Area of Science:

  • Optical Engineering
  • Spectroscopy
  • Imaging Technology

Background:

  • Spectroscopic imaging provides valuable information about the spectral properties of subjects.
  • Compact and high-resolution devices are crucial for versatile applications in various fields.

Purpose of the Study:

  • To propose and discuss a novel compact spectroscopic imaging device.
  • To demonstrate the feasibility of achieving high spectral and spatial resolution with a compact design.

Main Methods:

  • The device utilizes a planar reflection grating lens, a probe fiber array, and a two-dimensional image sensor.
  • Light from a subject is collected by fibers, diffracted by the grating lens, and focused onto the image sensor.
  • A Charge-Coupled Device (CCD) image sensor was employed for data acquisition.

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Main Results:

  • The spectroscopic imaging device was designed for a 100-nm wavelength range and a 10-mm fiber array width.
  • Experimental results confirmed a spectral resolution of 5 nm.
  • Experimental results confirmed a spatial resolution of 0.25 mm.

Conclusions:

  • The proposed compact spectroscopic imaging device is effective in achieving high spectral and spatial resolution.
  • The device's design integrating a grating lens and fiber array shows promise for advanced spectroscopic analysis.