Spectrometer arrangement

US10746598B2 · kind B2 · utility

Assignee

• Analytik Jena GmbH · DE

Inventors

• Stefan Münch · Oak Park, US
• Michael Okruss · Potsdam, DE

Key dates

• Filing date: Jun 3, 2019
• Grant date: Aug 18, 2020
• Expiry date: Jun 3, 2039

Classification

• Technology area (CPC G): Physics
• CPC primary: G01J2003/282
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

The present disclosure resides in a spectrometer arrangement including a first dispersing element for spectral separation of radiation in a main dispersion direction, and a second dispersing element for spectral separation of radiation in a cross-dispersion direction, which is at an angle to the main dispersion direction, so that a two-dimensional spectrum is producible. The spectrometer arrangement also includes a collimating optics, which directs collimated radiation to the first and/or second dispersing element, a camera optics, which images a two-dimensional spectrum in an image plane, a two-dimensional detector for detecting the two-dimensional spectrum in the image plane, and an off-axis section of a rotationally symmetric, refractive element, which is arranged between the camera optics and the detector. The present disclosure resides likewise in an optical module comprising such a spectrometer arrangement.