A method comprising the following steps:(a) providing a turbine component comprising a
metal substrate having an external surface; and (b) analyzing the external surface by laser …

A differential absorption spectrum for a reactive gas in a gas mixture can be generated for
sample absorption data by subtracting background absorption data set from the sample …

An apparatus for performing laser-induced breakdown spec troscopy comprises a handheld
unit with a pump laser and a controller. A combination of a solid laser medium and a Q …

Low concentrations of water vapor within a background of one or more olefin gases may be
detected and quantified using a differential absorption spectrometer. A dehydrated sample …

In laser-induced breakdown spectroscopy (LIBS), an apparatus includes a pulsed laser
configured to generate a pulsed laser signal toward a sample, a constructive interference …

An apparatus for analyzing material, Such as coal, comprises Subjecting the coal (14) to
laser light The laser light is used to vaporize and ionize a Small amount of the coal to …

A device is provided for mapping and for analysis of at least one element of interest included
in a solid sample by laser-induced plasma optical emission spectrometry, enabling a high …

In in-situ laser plasma spectroscopy (LPS) apparatus includes an enclosure for housing a
laser energy source and associated signal coupling optics. A main fiber is attached to the …

BACKGROUND The invention relates generally to depth pro? ling and more particularly to
depth pro? ling using laser plasma spectros copy. Exposure to high temperatures for …

Background composition concentration data representative of an actual background
composition of a sample gas can be used to model absorption spectroscopy measurement …