Loading patent…
AssigneeScan Messtechnik Gesellschaft Mbh
InventorsMartin Loicht, Andreas Weingartner, Wendelin Weingartner, Nikolaus Fleischmann, Thomas Zipper, Bernhard Weingartner
Estimating the term…
The invention concerns a miniaturized spectrometer, especially in the form of a probe, for determination of the ingredients of a gaseous or liquid fluid with a light source (3) and a spectrometer (2), at least one measurement beam and at least one reference beam. The invention is characterized by the fact that the light of the light source (3) is optionally fanned out and bundled by means of at least one optical lens (8) to an essentially parallel beam, that at least one measurement beam is passed through a light transparent window from the probe into the fluid being investigated and through an additional light transparent window back into the probe, that at least one reference beam is guided in the probe interior, that a collecting optics (14), consisting of at least one lens, diverts the beams to the impingement point of the light guide (5) or the inlet of the spectrometer (2), and that a beam selector (7) is provided in the region of the collecting optics (14) that passes through one of the partial beams and interrupts all the others.
Miniaturized spectrometer for determination of the ingredients of a gaseous or liquid fluid with a light source (3) and a spectrometer (2), with at least one measurement beam and at least one reference beam, in which the light of the light source (3) is optionally fanned out and bundled by means of at least one optical lens (8) to an essentially parallel beam, at least one measurement beam being passed through the fluid being investigated and at least one reference beam being passed along the fluid being investigated, in which a collecting optics (14), consisting of at least one lens, diverts the beams to the impingement point of a light guide (5) or the inlet of a spectrometer (2), and in which a beam selector (7, 7′) is provided that passes through one of the partial beams and interrupts all the others,
Spectrometer according to one of the preceding claims, characterized by the fact that a standard beam is formed that is guided over a length in the fluid that is different from the corresponding length of the measurement beam.
Spectrometer according to one of the preceding claims, characterized by the fact that the distance measured in the beam direction between the impingement point of the light guide (5) or the inlet of the spectrometer (2) and the beam focusing by shifting of light guide (5) and/or collecting optics (14) and/or lamp (3) and/or optics (8) is variable.
Spectrometer according to one of the preceding claims, characterized by the fact that an exchangeable or adjustable diaphragm, for example, an iris diaphragm with variable hole diameter, is arranged in the region of optics (8) and blanks out at least one of the partial beams.
Spectrometer according to one of the preceding claims, characterized by the fact that an optical diffusor is arranged in the beam path, preferably right at the focal distance of the light source.
Dependencies are inferred from the claim text.