Abstract: A water examination device includes a main body; a fluid accommodation unit formed in the main body; a wave source for irradiating waves toward the fluid accommodation unit; a detector for detecting a laser speckle in time series, the laser speckle being generated due to multiple scattering of the waves in the fluid; and a controller for estimating existence of foreign material in the fluid in real-time by using the detected laser speckle. An imaginary first plane passing through the wave source is parallel to an imaginary second plane passing through the detector.

Abstract: Provided is a turbidity meter including a main body, a fluid container which is formed inside the main body and in which a fluid is accommodatable, a fluid inlet pipe which is connected to the fluid container and via which the fluid is supplied to the fluid container, a fluid outlet pipe which is connected to the fluid container and via which the fluid is discharged from the fluid container to the outside, a wave source configured to irradiate waves toward the fluid container, a detector configured to detect a laser speckle at every time point set in advance, the laser speckle being generated due to multiple scattering of the irradiated waves in the fluid, and a controller configured to estimate the presence or absence of impurities in the fluid in real-time by using the detected laser speckle.

Abstract: Provided is an antibiotic susceptibility evaluation apparatus including a sample unit including a sample and at least an antibiotic disk arranged on the sample, a light source radiating coherent light to the sample unit, an image sensor detecting transmitted light passing through the sample unit to obtain a sample image, and a controller configured to receive a first sample image, which is an image of the sample at an initial time when the antibiotic disk is arranged on the sample unit, and a second sample image, which is an image of the sample after a preset time, to obtain a spatial correlation of an interference pattern between the first sample image and the second sample image, and to evaluate susceptibility of the sample to antibiotics based on the spatial correlation according a position.

Abstract: The present invention relates to a test sample receiving block and a microbial detection apparatus using the same. The test sample receiving block may include a sample receiving block having a sample groove portion formed therein, the sample groove portion containing the sample so that a light emission module emits light to the sample and a sensor module can detect a speckle generated when the emitted light is scattered by motion of bacteria or microbes contained in the sample, wherein the sample receiving block is surface-treated to increase an optical path of light reaching the sensor module when the emitted light is reflected or scattered by the sample accommodated in the sample groove portion, so that a pattern is formed on a surface of the sample groove portion.

Abstract: Provided is a turbidity monitoring apparatus including a multi-tubular structure including an inner tube through a fluid to be measured flows and an outer tube that surrounds the inner tube, a wave source configured to irradiate a wave towards the multi-tubular structure, a detection unit configured to detect a laser speckle at each preset time, the laser speckle being generated by multiple scattering of the irradiated wave in the multi-tubular structure, and a control unit configured to estimate, in real time, the concentration of suspended substances or turbidity substances in the fluid to be measured, by using the detected laser speckles.

Abstract: Provided is a microorganism detection apparatus including a body, a sample accommodator module provided in the body to accommodate a sample, a beam irradiation module for irradiating a beam to the sample, a sensor module for detecting speckles generated when the beam irradiated to the sample is scattered due to motion of bacteria or microorganisms included in the sample, and a controller for controlling the beam irradiated from the beam irradiation module, and storing and analyzing images detected by the sensor module, wherein the sample accommodator module includes a sample accommodation block having a sample hole capable of accommodating a container containing the sample, and a heater for supplying heat to the bacteria or microorganisms in the sample at a preset temperature.

Abstract: A system for detecting microbes is provided.

Abstract: An embodiment of the present disclosure provides an intestinal microorganism detection system including: a feces collection unit configured to collect the feces of a user: a storage unit including a plurality of accommodation units configured to accommodate a fecal sample, the fecal sample being formed by mixing the feces collected by the feces collection unit with fluid; a sensor unit configured to detect a microorganism in the fecal sample accommodated in each of the plurality of accommodation units and generate first information; and a control unit configured to estimate, on the basis of the generated first information, the type of intestinal microorganism present in the user and a concentration thereof, wherein the plurality of accommodation units are respectively exposed to different environmental conditions.

Abstract: According to an embodiment of the present disclosure, provided is an optical detection system for detecting a laser speckle generated by multiple scattering of a wave irradiated toward a sample from a wave source, and based on a change in the laser speckle over time, detecting the presence of microbes in the sample in real time.

Abstract: According to an embodiment of the present disclosure, provided is an optical detection system for detecting a laser speckle generated by multiple scattering of a wave irradiated toward a sample from a wave source, and based on a change in the laser speckle over time, detecting the presence of microbes in the sample in real time.

Abstract: An optical detection system includes a sample portion accommodating a sample, a wave source emitting waves to the sample portion, an optical portion provided on a path of an output wave output from the sample portion, and comprising a first spatial light modulator that modulates part of the output wave to a first wave and a second spatial light modulator that modulates part of the output wave to a second wave, a lens portion focusing the first wave and the second wave output from the optical portion, and a detection portion detecting a focused wave that is focused by the lens portion, in which the first spatial light modulator and the second spatial light modulator modulate the output wave such that the first wave and the second wave have destructive interference with respect to the sample under an already known condition.

Abstract: According to an embodiment of the present disclosure, provided is an optical detection system for detecting a laser speckle generated by multiple scattering of a wave irradiated toward a sample from a wave source, and based on a change in the laser speckle over time, detecting the presence of microbes in the sample in real time.

Abstract: An embodiment of the present disclosure provides an intestinal microorganism detection system including: a feces collection unit configured to collect the feces of a user: a storage unit including a plurality of accommodation units configured to accommodate a fecal sample, the fecal sample being formed by mixing the feces collected by the feces collection unit with fluid; a sensor unit configured to detect a microorganism in the fecal sample accommodated in each of the plurality of accommodation units and generate first information; and a control unit configured to estimate, on the basis of the generated first information, the type of intestinal microorganism present in the user and a concentration thereof, wherein the plurality of accommodation units are respectively exposed to different environmental conditions.

Abstract: Provided is a sample property detecting apparatus including: a wave source configured to irradiate a wave towards a sample; a detector configured to detect a laser speckle that is generated when the wave is multiple-scattered by the sample, at every time point that is set in advance; and a controller configured to obtain a temporal correlation that is a variation in the detected laser speckle according to time, and to detect properties of the sample in real-time based on the temporal correlation, wherein the detector detects the laser speckle between the sample and the detector or from a region in the detector.