Adjusted laser cavity resonator and method for preparing a laser resonator
AssigneeHewlett-Packard Company
InventorsMartin Zoll, Martin Wunderling
Life of this patent
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Abstract
Method for preparing a laser cavity resonator for use in a Raman gas analyzer, that resonator comprises a V-shaped housing which comprises a first and a second channel for the laser beam in a V-arrangement. The method allows the adjustment of the resonator in the manufacturing site and provides a high mechanical stability and reliability of the system and accelerates the manufacturing of the resonator. The resonator received by the method comprises adjusted mirrors fixed to the housing so that the resonator can be transported and installed in the analysis system at its place of application.
Claims12
Method for preparing a laser cavity resonator, said resonator comprising a V-shaped housing for laser beams including a first channel and a second channel and openings for reflector mirrors for each beam and an opening for an input/output coupler mirror, said method comprising:
- a) providing a housing ready to receive the reflector mirrors in front of openings to the first channel and second channel and the input/output coupler mirror, at an intersection point of longitudinal axes of the first channel and the second channel;
- b) providing mirror holders in which the reflector mirrors are fixed, said mirror holders configured to be fixed to said housing in front of said openings;
- c) mounting said housing in a beam path of an auxiliary laser;
- d) adjusting said reflector mirror holders with respect to a beam from said auxiliary laser and fixing said mirror holders in their position;
- e) adjusting said input/output coupler mirror with respect to a second laser beam supplied by a laser diode arranged in the longitudinal axis of at least one of said channels, so as to obtain maximum resonator intensity, and fixing said input/output coupler mirror to said housing.
A laser cavity resonator including a channel exhibiting a longitudinal axis and opposed apertures at each end of said channel, said laser cavity resonator further comprising:
- a mirror positioned at each of said opposed apertures of said channel, each said mirror including a curved reflective surface for interacting with a laser beam in said channel;
- and
- means for positioning each said mirror in a direction that is perpendicular to said longitudinal axis of said channel so that curved reflective surface of each said mirror is positioned to direct the laser beam along said longitudinal axis.
A method for configuring a laser cavity resonator which includes a channel exhibiting a longitudinal axis and opposed apertures at each end of said channel, said laser cavity resonator further including a mirror positioned at each of said opposed apertures of said channel, each said mirror including a curved reflective surface, said method comprising the steps of:
- a) introducing a laser beam into said channel;
- and
- b) adjusting a position of each said mirror in a direction that is perpendicular to said longitudinal axis of said channel so that said curved reflective surface of each said mirror is positioned to reflect the laser beam along said longitudinal axis.
Dependencies are inferred from the claim text.