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Related papers: CUBES, the Cassegrain U-Band Efficient Spectrograp…

200 papers

CARMENES (Calar Alto high-Resolution search for M dwarfs with Exo-earths with Near-infrared and optical Echelle Spectrographs) is a next generation instrument being built for the 3.5-m telescope at the Calar Alto Observatory by a consortium…

Instrumentation and Methods for Astrophysics · Physics 2012-10-22 P. J. Amado , A. Quirrenbach , I. Ribas , J. A. Caballero , M. A. Sánchez-Carrasco , A. Reiners , W. Seifert , R. Mundt , H. Mandel , the CARMENES Consortium

Balloon-borne astronomy is a unique tool that allows for a level of image stability and significantly reduced atmospheric interference without the often prohibitive cost and long development time-scale that are characteristic of space-borne…

Coherent diffractive imaging is unique as the only route for achieving diffraction-limited spatial resolution in the extreme ultraviolet and X-ray regions, limited only by the wavelength of the light. Recently, advances in coherent short…

Infrared imaging is indispensable for its ability to penetrate obscurants and visualize thermal signatures, yet its practical use is hindered by the intrinsic limitations of conventional detectors. Nonlinear upconversion, which converts…

Bragg spectroscopy is one of the best established experimental methods for high energy resolution X-ray measurements and has been widely used in several fields, going from fundamental physics to quantum mechanics tests, synchrotron…

Instrumentation and Detectors · Physics 2019-03-08 A. Scordo , C. Curceanu , M. Miliucci , H. Shi , F. Sirghi , J. Zmeskal

In fiber-based spectroscopy within telescopes, a prevailing limitation has been the necessity to align the fiber diameter with the telescope's seeing conditions, often characterized by the Full Width at Half Maximum of the point spread…

Instrumentation and Methods for Astrophysics · Physics 2024-06-25 Nitish Singh , S. Sriram , Bharat Kumar Yerra , Prasanna G. Deshmukh

The next generation of far infrared space observatories will require extremely sensitive detectors that can be realized only by combining extremely low intrinsic noise with high optical efficiency. We have measured the broad-band optical…

The Carnegie-Irvine Galaxy Survey (CGS) is a long-term program to investigate the photometric and spectroscopic properties of a statistically complete sample of 605 bright (B_T < 12.9 mag), southern (Dec. < 0) galaxies using the facilities…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Luis C. Ho , Zhao-Yu Li , Aaron J. Barth , Marc S. Seigar , Chien Y. Peng

The spatial-temporal evolution of coronal plasma parameters of the solar outer atmosphere at global scales, derived from solar full-disk imaging spectroscopic observation in the extreme-ultraviolet band, is critical for understanding and…

Solar and Stellar Astrophysics · Physics 2024-10-23 Yufei Feng , Xianyong Bai , Sifan Guo , Hui Tian , Lami Chan , Yuanyong Deng , Qi Yang , Wei Duan , Xiaoming Zhu , Xiao Yang , Zhiwei Feng , Zhiyong Zhang

The next generation of Extremely Large Telescopes (ELTs), with their wide apertures and advanced Multi-Conjugate Adaptive Optics (MCAO) systems, will provide unprecedented sharp and deep observations, even surpassing the capabilities of…

RISTRETTO is a visible high-resolution spectrograph fed by an extreme adaptive optics (XAO) system, to be proposed as a visitor instrument on ESO VLT. The main science goal of RISTRETTO is the detection and atmospheric characterization of…

A spectrometer for the measurement of spontaneous Rayleigh-Brillouin scattering line profiles at ultraviolet wavelengths from gas phase molecules has been developed, employing a high-power frequency-stabilized UV laser with narrow bandwidth…

Atmospheric and Oceanic Physics · Physics 2012-10-08 Ziyu Gu , M. Ofelia Vieitez , Eric-Jan van Duijn , Wim Ubachs

We present here the current state of a collection of promising ultraviolet technologies in preparation for the Habitable Worlds Observatory. Working with experts representing a significant number of groups working in the ultraviolet, we…

Future prospects for solar spectroscopy missions operating in the extreme ultraviolet (EUV) and soft X-ray (SXR) wavelength ranges, 1.2-1600 Angstroms, are discussed. NASA is the major funder of Solar Physics missions, and brief summaries…

Solar and Stellar Astrophysics · Physics 2021-03-19 Peter R. Young

Extreme ultraviolet (EUV) scatterometry is an increasingly important metrology that can measure critical parameters of periodic nanostructured materials in a fast, accurate, and repeatable manner and with high sensitivity to nanoscale…

We present results of performance modelling for METIS, the Mid-infrared European Extremely Large Telescope (E-ELT) Imager and Spectrograph. Designed by a consortium of NOVA (Netherlands), UK Astronomy Technology Centre (UK), MPIA Heidelberg…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Sarah Kendrew , Laurent Jolissaint , Bernhard Brandl , Rainer Lenzen , Eric Pantin , Alistair Glasse , Joris Blommaert , Lars Venema , Ralf Siebenmorgen , Frank Molster

We present a new `supercalibration' technique for measuring systematic distortions in the wavelength scales of high resolution spectrographs. By comparing spectra of `solar twin' stars or asteroids with a reference laboratory solar…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 J. B. Whitmore , M. T. Murphy

A compact and robust coherent laser light source that provides spectral coverage from the ultraviolet to infrared is desirable for numerous applications, including heterodyne super resolution imaging[1], broadband infrared microscopy[2],…

At a fraction the total cost of an equivalent orbital mission, scientific balloon-borne platforms, operating above 99.7% of the Earth's atmosphere, offer attractive, competitive, and effective observational capabilities -- namely space-like…

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