The SCALES slenslit: a unique exoplanet spectrograph

Richard D. Stelter; Renate Kupke; Andrew J. Skemer; Stephanie Sallum; Cyril Bourgenot; Raquel A. Martinez

doi:10.1117/12.2677508

6 October 2023 The SCALES slenslit: a unique exoplanet spectrograph

Richard D. Stelter, Renate Kupke, Andrew J. Skemer, Stephanie Sallum, Cyril Bourgenot, Raquel A. Martinez

Proceedings Volume 12680, Techniques and Instrumentation for Detection of Exoplanets XI; 1268004 (2023) https://doi.org/10.1117/12.2677508
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

SCALES is a 2 -5 micron, high-contrast, lenslet-based, integral field spectrograph (IFS) designed to characterize exoplanets and their atmospheres. In this proceeding, we present the updated design and current status of the SCALES slenslit, a novel take on an image slicer. The slenslit optics, which are being fabricated by Durham University’s Precision Optics group, dissect and rearrange a subset of lenslet micro-pupils into a pseudo-slit. The pseudo-slit is then dispersed with much higher spectral resolution than other lenslet-based IFS instruments. The slenslit technology opens new vistas for the characterization of exoplanet formation environments and atmospheres by improving the spectral resolution while maintaining the diffraction-limited imaging.

Conference Presentation

Citation Download Citation

Richard D. Stelter, Renate Kupke, Andrew J. Skemer, Stephanie Sallum, Cyril Bourgenot, and Raquel A. Martinez "The SCALES slenslit: a unique exoplanet spectrograph", Proc. SPIE 12680, Techniques and Instrumentation for Detection of Exoplanets XI, 1268004 (6 October 2023); https://doi.org/10.1117/12.2677508

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