Publications of the Astronomical Society of the Pacific, Vol. 114, No. 792 (February 2002), pp. 153-168 (16 pages) ABSTRACT We discuss the design and performance of TEXES, the Texas Echelon Cross ...

Spectrographs are important tools for studying many biological and chemical processes and substances, from pigments to plant growth and nucleic acids to pharmaceuticals, providing information about ...

THE USE OF A PLANE GRATING IN STELLAR SPECTRO-SCOPY.—In No. 5, vol. vi., of the Journal of the Royal Astronomical Society (Canada) there is an interesting note describing some preliminary tests, made ...

Spectral examination is now the norm in fundamental and applied research, in applications covering detection of chemicals, process instrumentation, characterization of novel materials, and disease ...

This is a preview. Log in through your library . Abstract LEWIS (L, M-band Echelle Wide coverage Intermediate-resolution Spectrometer) is an infrared spectrograph designed primarily for spectroscopy ...

SOLAR SPECTROGRAPH FOR THE POULKOVO OBSERVATORY.—Engineering for July 18 contains a detailed description and several photographs of the 7-metre solar spectrograph by Grubb, which has just been erected ...