Systems and methods for hyperspectral imaging are described. In one implementation, a hyperspectral imaging system includes a sample holder configured to hold a sample, an illumination system, and a detection system. The illumination system includes a light source configured to emit excitation light having one or more wavelengths, and a first set of optical elements that include a first spatial light modulator (SLM), at least one lens, and at least one dispersive element. The illumination system is configured to structure the excitation light into a predetermined two-dimensional pattern at a conjugate plane of a focal plane in the sample, spectrally disperse the structured excitation light in a first lateral direction, and illuminate the sample in an excitation pattern with the one or more wavelengths dispersed in the first lateral direction.

A spectroscopic detection device includes a laser light source configured to emit a laser beam, an objective configured to irradiate a sample with the laser beam, a scanner arranged in an illumination optical path between the laser light source and the objective, a light detector configured to detect light from the sample, a plurality of optical filters arranged in a detection optical path between the objective and the light detector, and a driving device. The driving device rotates the plurality of optical filters in such a manner that at least one of the optical filters has its rotational axis in a direction different from a rotational axis of the other optical filter.

A system comprising a light source configured to illuminate a sample under measurement. The system includes a detector configured to receive reflected light from the sample, and the detector generates a signal representing the reflected light. A spatially variable filter (SVF) is positioned in the optical path. The SVF is configured to have spectral properties that vary as a function of illuminated position on the SVF.

A filter device for an optical module for a lab-on-a-chip analysis device, in which the optical module has a light path, includes a support element, a filter support, and a drive device. The support element can be mounted in the optical module. The filter support is arranged so that it can move on the support element. The filter support also has a first filter region and a second filter region. The drive device is configured such that the filter support can move between a first position in which the first filter region is arranged in the light path, and a second position in which the second filter region is arranged in the light path

Systems and methods for forming a compact gas sensor include a multilayer etalon as a wavelength discriminating element. The position of the etalon may be adjusted to tune its transmission profile. And embodiment directed to carbon dioxide detection is described.

A spectrophotometer is provided, which comprises a receiving part diffusing an incident light, a first broadband filter group, and a detector detecting the light having passed through the first broadband filter group, in order to easily select and detect a plurality of lights having specific wavelengths, wherein the first broadband filter group comprises a first broadband filter arranged to have a first angle with respect to an incident direction of light to enable the incident light to pass through a first wavelength band, a second broadband filter arranged to have a second angle, which is different from the first angle, with respect to an incident direction of light to enable the light having passed through the first broadband filter to pass through a second wavelength band, and a first path compensation means for adjusting a path of the light having passed through the second broadband filter to be identical to a path of the light having passed through the first broadband filter, wherein the first broadband filter, the second broadband filter and the first path compensation means are arranged in series with respect to the incident direction of light. Accordingly, it is possible to increase the efficiency of the outputted light compared to the incident light, and to detect a plurality of lights having the desired specific wavelengths at the same time.

A spectrometry system may include an etalon array having a first etalon and a second etalon. The first etalon may be configured to process light to at least generate a first transmission pattern. The first transmission pattern may have at least a first transmission peak corresponding to a first wavelength in an original spectrum of the light. The second etalon may be configured to process the light to at least generate a second transmission pattern. The second transmission pattern may have at least a second transmission peak corresponding to a second wavelength in the original spectrum of the light. The first etalon may have a different thickness than the second etalon in order for the first transmission pattern to have at least one transmission peak that is at a different wavelength than the second transmission pattern. The first transmission pattern and the second transmission pattern may enable a reconstruction the original spectrum of the light.

An imaging system and method are presents for use in reconstructing spectral data of an object. The imaging system comprises: an optical unit; a pixel array of a detector; and a data processor for receiving and processing image data indicative of light detected by the pixel array and generating reconstructed spectral data of the object being imaged. The optical unit is configured and operable for applying a predetermined coding to an input light field while creating an optical image thereof on a detection plane defined by the pixel array. Therefore, the image data is a function of the predetermined coding and a spectrum of the object to be determined.

A hyperspectral detection system of luminescence from solid phase samples that are stimulated with radiation sources. includes an observation region, a sample holder configured to hold one or more solid-phase samples, at least one radiation source configured to irradiate the observation region, and a collector configured to collect the radiation emitted through or reflected by the sample upon irradiation by the at least one radiation source. The collector has a magnification factor value (M) equal to or lower than 20, and has a numerical aperture value equal to or higher than 0.25. A multichannel filter is configured to selectively filter the wavelength of the radiation collected by the collector, and an image sensor is configured to receive the filtered radiation and generate an image that is a two-dimensional map of the sample.

An imaging system and method are presents for use in reconstructing spectral data of an object. The imaging system comprises: an optical unit; a pixel array of a detector; and a data processor for receiving and processing image data indicative of light detected by the pixel array and generating reconstructed spectral data of the object being imaged. The optical unit is configured and operable for applying a predetermined coding to an input light field while creating an optical image thereof on a detection plane defined by the pixel array. Therefore, the image data is a function of the predetermined coding and a spectrum of the object to be determined.