A monitoring device for monitoring a status of fruits, the monitoring device comprising: a flexible strip configured to be introduced into a cluster of fruits allowing the flexible strip being embedded in the cluster, the flexible strip comprising a plurality of spatially separated sensing nodes, wherein each of the plurality of sensing nodes comprises a sensing node light source configured to emit light and a sensing node light detector configured to detect light, a read out circuitry configured to read out data pertaining to the detected light detected at each of the plurality of sensing nodes, a body comprising a wireless communication module configured to transmit the data pertaining to the detected light, wherein the flexible strip is attached to the body. A system comprising a plurality of monitoring devices and a method for monitoring a status of fruits are further provided.

A method for measuring optical signal detector performance that includes directing light emitted from an optical signal detector onto a first non-fluorescent surface portion in a first detection zone of the optical signal detector. A first characteristic of light detected by a first sensor of the first optical signal detector is measured while the first non-fluorescent surface portion is in the first detection zone of the optical signal detector. Light emitted from the optical signal detector is directed into a first void in the first detection zone of the optical signal detector. A second characteristic of light detected by the first sensor of the optical signal detector is measured while the first void is in the first detection zone of the optical signal detector. And an operational performance status of the optical signal detector is determined based on at least one of the first characteristic and the second characteristic.

A measurement device includes mechanical support elements (101-104) for supporting a sample well, other mechanical support elements (105-109) for supporting a measurement head (112) suitable for optical measurements, and a control system (111) configured to control the measurement head to carry out at least two optical measurements from at least two different measurement locations inside the sample well, where each measurement location is a center point of a capture range from which radiation is captured in the respective optical measurement. The final measurement result is formed from the results of the at least two optical measurements in accordance with a pre-determined rule. The use of the at least two optical measurements from different measurement locations reduces measurement variation in situations where the sample well (153) contains a piece (158) of sample carrier.

The present disclosure describes systems and methods for radiometry in dental applications. The disclosed systems include a radiometer, a dental curing light, a composite material reader module, and a restoration data storage device, where one or more of the radiometer, dental curing light, composite material reader module, and restoration data storage device include one or more communication modules that enable wireless communication between one or more of the radiometer, curing light, composite material reader module, and restoration data storage device. In some preferred embodiments, the radiometer includes at least one communication module and the curing light includes at least one communication module. In such embodiments, the communication modules may be used to transmit information between the radiometer and the curing light, and between one or more of the radiometer and curing light and one or more of the composite material reader module and restoration data storage device.

A system including an optical signal detector and a controller operatively coupled to the optical signal detector and configured to determine an operational performance status of the optical signal detector. The optical signal detector includes a detection channel having a light source and a sensor, where the detection channel is configured to emit and focus light generated by the light source at a detection zone and to receive and focus light on the sensor. The optical performance status of the optical signal detector is based on a measured characteristic of light focused on the sensor while a non-fluorescent surface is in the detection zone and/or a measured characteristic of light focused on the sensor while a void is in the detection zone.

The disclosure relates to a fluorescence detection instrument, including a base, a heating module, a detecting module, an illumination module, and an actuation module. The heating module, the detecting module, and the actuation module are disposed on the base. The heating module includes plural heating holders, wherein each of the plural heating holders is adapted to accommodate a light-transmissive reaction container adapted to contain a fluorescent reaction mixture with at least one targeted fluorescent probe respectively. The detecting module is configured with the heating module to form plural detection channels, wherein the plural heating holders are located at the plural detection channels respectively. The actuation module is connected with the illumination module and adapted to drive the illumination module to move to at least one predetermined position to selectively match at least one combination of the heating holder on the corresponding detection channel.

The present disclosure describes a device used to determine the optimal post-curing exposure time for 3D printed products and methods of using the same. The disclosed device is a self-contained multi-chamber radiometer for continuous monitoring of electromagnetic radiation transmitted through 3D printed objects during a post-curing process. The device includes multiple detector ports, including a control port and one or more sample ports. The detector ports may preferably be photocells configured to generate a voltage proportional to the intensity of the incident electromagnetic radiation at specific wavelength(s). The transmittance is directly correlated with the voltage and may be measured using the determined voltages. The disclosed device may further comprise a microprocessor, a memory module for storage of data obtained by the sensors, and one or more communication modules configured to enable wireless communication with a data storage device such as a computer.

A monitoring device for monitoring a status of fruits, the monitoring device comprising: a flexible strip configured to be introduced into a cluster of fruits allowing the flexible strip being embedded in the cluster, the flexible strip comprising a plurality of spatially separated sensing nodes, wherein each of the plurality of sensing nodes comprises a sensing node light source configured to emit light and a sensing node light detector configured to detect light, a read out circuitry configured to read out data pertaining to the detected light detected at each of the plurality of sensing nodes, a body comprising a wireless communication module configured to transmit the data pertaining to the detected light, wherein the flexible strip is attached to the body. A system comprising a plurality of monitoring devices and a method for monitoring a status of fruits are further provided.

An optical scanning system adapted to scan a sample on a chip is provided. The optical scanning system includes at least one optical scanning head, at least one scanning light source, a light receiving device and a processor. Each of at least one optical scanning head includes a focusing light source, a first optical guiding structure, and a control unit. The first optical guiding structure is configured to guide the focusing light emitted from the focusing light source to travel to the sample, and the first optical guiding structure is configured to guide the at least one scanning light emitted from the at least one scanning light source to the sample to generate a secondary light. The control unit is configured to control the first optical guiding structure to keep the focusing light and at least one scanning light focusing on a surface of the chip. The light receiving device receives the secondary light and generates a scanning electronic signal. The processor is electrically coupled to the light receiving device to dispose the scanning electronic signal.

The disclosure relates to a fluorescence detection instrument, including a base, a heating module, a detecting module, an illumination module, and an actuation module. The heating module, the detecting module, and the actuation module are disposed on the base. The heating module includes plural heating holders, wherein each of the plural heating holders is adapted to accommodate a light-transmissive reaction container adapted to contain a fluorescent reaction mixture with at least one targeted fluorescent probe respectively. The detecting module is configured with the heating module to form plural detection channels, wherein the plural heating holders are located at the plural detection channels respectively. The actuation module is connected with the illumination module and adapted to drive the illumination module to move to at least one predetermined position to selectively match at least one combination of the heating holder on the corresponding detection channel.