Results 181 to 190 of about 3,030,245 (218)

Near infrared spectroscopy analysis of essential oils - Can statistical correlation to mid infrared and Raman spectra assist the interpretation?

, 2005
Schulz, Hartwig, Baranska, Malgorzata, Quilitzsch, Rolf   +2 more
core  

From hand-ground lenses to Xihe solar space missions: an interview of Professor Cheng Fang. [PDF]

Natl Sci Rev
Li C.
europepmc   +1 more source

Evidence for the gravity-driven and magnetically regularized gas flows feeding the massive protostellar cluster in Cepheus A. [PDF]

Sci Adv
Sandhyarani P, Eswaraiah C, Li D, Vázquez-Semadeni E, Gómez GC, Thieme TJ, Samal MR, Wang JW, Lai SP, Chen WP, Ojha DK.   +10 more
europepmc   +1 more source

A Faint Progenitor System for the Faint Supernova 2024vjm

Zimmerman E, Gal-Yam A, Groot P, Ofek E, Roestel Jv, Pastorello A, Valenti S, Ravi A, Chen P, Schulze S, Blagorodnova N, Wavasseur M, Gómez-Muñoz M, Tranin H, de Wet S, Leloudas G, Vreeswijk P, Kwok L, Schwab M, Jha S, Maguire K, Sand D, Stringer E, Kupfer T, Faran T, Anderson J, Andrews J, Andrews M, Badash A, Bloemen S, Bostroem K, Chen T, Valle MD, Dimitriadis G, Dong Y, Farah J, Gillanders J, Godson B, Gromadzki M, Hiramatsu D, Hoang E, Howell D, Janzen D, Kuncarayakti H, Li J, Lyman J, Maeda K, Magee M, Mehta D, Milligan A, Moran S, Ni YQ, O’Neill D, Pearson J, Pieterse D, Pignata G, Reguitti A, Reichart D, Retamal NM, Santos R, Scaringi S, Shrestha M, Srivastav S, Stoppa F, Subrayan B, Valerin G, Wang X, Wynn K, Yaron O, Zang W.   +69 more
europepmc   +1 more source

Vibrational spectroscopy, structure and bonding in the family of aluminium-doped niobium clusters, AlNb_<i>n</i>⁺, <i>n</i> = 5-9.

Phys Chem Chem Phys
Singh R, Ferrari P, Pradeep D, Bakker JM, Fielicke A, Janssens E, Lievens P, McGrady JE.   +7 more
europepmc   +1 more source

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DMDs for multi-object near-infrared spectrographs in astronomy

Emerging Digital Micromirror Device Based Systems and Applications X, 2018
The Digital Micromirror Device (DMD), typically used in projection screen technology, has utility in instrumentation for astronomy as a digitally programmable slit in a spectrograph. When placed at an imaging focal plane the device can be used to selectively direct light from astronomical targets into the optical path of a spectrograph, while at the ...
Massimo Robberto, Stephen A Smee, Robert H Barkhouser   +2 more
exaly   +3 more sources

The SAPHIRA detector: a near-infrared photon counter for astronomy

Advanced Photon Counting Techniques XIII, 2019
The SAPHIRA is currently the only astronomical device capable of counting photons in the NIR while showing other performance easily comparable to the ubiquitous HAWAII arrays. Photon counting was previously only available in astronomy with high dark currents, prohibiting observation of many astronomical targets.
Ian Baker, Shane Jacobson, Donald N B Hall   +2 more
exaly   +3 more sources

Microwave kinetic inductance detectors for visible to near infrared astronomy (Conference Presentation)

High Energy, Optical, and Infrared Detectors for Astronomy VIII, 2018
Mazin Lab at UCSB is developing MKID instrument for astronomy at near infrared, optical and ultraviolet wavelength. We use MIKDs as single photon detectors by measuring the arrival time of incoming photons with an accuracy of a few microseconds and with a relatively high energy resolution (R~10 at 1um).
Ben Mazin, Nicholas Zobrist
exaly   +3 more sources

Polarization gratings for visible and near-infrared astronomy

Proceedings of SPIE, 2014
We report on the development of polarization gratings that can be used for polarimetry and/or high throughput broadband spectroscopy in astronomy. Polarization gratings are able to overcome fundamental limitations on the diffraction efficiency of conventional gratings to provide near 100% diffraction efficiency over a broad bandwidth.
Michael Escuti, Dae-Sik Moon, James R Graham   +2 more
exaly   +3 more sources