A housing for a sensor, comprising a housing upper part and a housing lower part which, in the assembled state, form a receiving space which is suitable to receive a circuit board, which, with regard to the object of specifying a housing for a sensor which receives a circuit board as far as possible in the correct position and protects the latter as reliably as possible against undesired movements relative to the housing is characterized in that deformable means are assigned to the housing upper part and/or the housing lower part which, in the assembled state of the housing parts, are bent into the receiving space.

An optical module component for a gas sensor may comprise a first housing portion and a second housing portion. The first housing portion and the second housing portion may be configured to be joined together and to form a substantially cylindrical optical cavity when joined together. The optical module component may further comprise: a first opening for receiving light from a light source; at least one second opening for passing light from the optical cavity to a detector; a first curved reflecting element configured to direct the light from the light source into the optical cavity; and a second curved reflecting element configured to direct the light from the optical cavity to the detector. In particular, optical axes of the first and second curved reflecting elements may be tilted with respect to a diametral plane of the optical cavity.

Photodetector clamps are provided. Clamps of interest include one or more flexure arms for applying an immobilizing force to one or more photodetectors positioned within a light detection module, and are configured to be positioned on top of a detector block. In embodiments, the bottom of the one or more flexure arms include an opening for contacting the photodetector(s). Light detection modules, systems and methods employing the subject clamps are also provided.

Photodetector clamps are provided. Clamps of interest include one or more flexure arms for applying an immobilizing force to one or more photodetectors positioned within a light detection module, and are configured to be positioned on top of a detector block. In embodiments, the bottom of the one or more flexure arms include an opening for contacting the photodetector(s). Light detection modules, systems and methods employing the subject clamps are also provided.