Results 131 to 140 of about 5,753 (177)

Large Depth Nanoidentation Experiment of Echelle Grating Aluminum

Journal of Mechanical Engineering, 2012
openaire   +1 more source

High-Resolution Graphite Furnace Atomic Absorption Spectrometry Determination of Bismuth in Lithium Niobate Optical Crystals. [PDF]

ACS Omega
Csontos D, Kovács L, Lengyel K, Bencs L.   +3 more
europepmc   +1 more source

Optics miniaturization strategy for demanding Raman spectroscopy applications. [PDF]

Nat Commun
Ilchenko O, Pilhun Y, Kutsyk A, Slobodianiuk D, Goksel Y, Dumont E, Vaut L, Mazzoni C, Morelli L, Boisen S, Stergiou K, Aulin Y, Rindzevicius T, Andersen TE, Lassen M, Mundhada H, Jendresen CB, Philipsen PA, Hædersdal M, Boisen A.   +19 more
europepmc   +1 more source

Observation of nonlinear response and Onsager regression in a photon Bose-Einstein condensate. [PDF]

Nat Commun
Sazhin A, Gladilin VN, Erglis A, Hellmann G, Vewinger F, Weitz M, Wouters M, Schmitt J.   +7 more
europepmc   +1 more source

Investigating the Discoloration of Leaves of Dioscorea polystachya Using Developed Atomic Absorption Spectrometry Methods for Manganese and Molybdenum. [PDF]

Molecules
Krüger D, Weng A, Baecker D.
europepmc   +1 more source

Multifactorial Evaluation of Honey from Pakistan: Essential Minerals, Antioxidant Potential, and Toxic Metal Contamination with Relevance to Human Health Risk. [PDF]

Foods
Sana, Ahmad W, Anwar F, Ismail H, Farid M, Ayub MA, Sumrra SH, Emenike C, Starowicz M, Zubair M.   +9 more
europepmc   +1 more source

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Blaze characteristics of echelle gratings

Applied Optics, 1982
A new model for the blaze function of the two in-plane mountings of echelle gratings is described and extended to account for defects in the edges of the grooves. Expressions for the relative efficiency are given. The model shows that the wavelength for the maximum blaze intensity differs slightly from the wavelength lambda(0) satisfying mlambda(0) = d[
S, Engman, P, Lindblom
openaire   +2 more sources

Echelle gratings: their testing and improvement

Applied Optics, 1976
Tests are described on new master echelles of very large size and on others having unusually high blaze angles, produced on interferometrically controlled ruling engines. Defects arising from the gravitational distortion of large grating blanks during ruling were reduced by the use of calibrated edge-supporting springs to diminish sag.
G R, Harrison, E G, Loewen, R S, Wiley
openaire   +2 more sources

Improving Echelle Grating Efficiencies

Physica Scripta, 1983
Based on a previous study of echelle grating groove shapes, the groove edge defects of the master and its replicas were measured. It was found that the master and an even number of consecutive replicas have edge defects of several microns, whereas the first replica can be made almost without edge defects (< 0.1 μm).
Sonja Engman, Peter Lindblom, Edward Leibhardt   +2 more
openaire   +1 more source

Astronomical near-infrared echelle gratings

SPIE Proceedings, 2014
High-resolution near-infrared echelle spectrographs require coarse rulings in order to match the free spectral range to the detector size. Standard near-IR detector arrays typically are 2 K x 2 K or 4 K x 4 K. Detectors of this size combined with resolutions in the range 30000 to 100000 require grating groove spacings in the range 5 to 20 lines/mm ...
Kenneth H. Hinkle, Richard R. Joyce, Ming Liang   +2 more
openaire   +1 more source