Abstract:
An apparatus for a polymerase chain reaction (PCR) diagnosis includes a transmitter that includes a multi-wavelength light source outputting a first light source signal and a second light source signal, which have different wavelengths, and that applies the first light source signal and the second light source signal to a DNA sample, a code generator that generates a first code signal and a second code signal corresponding to the first light source signal and the second light source signal, respectively, a delay controller that generates a first delay signal and a second delay signal corresponding to the first code signal and the second code signal, respectively, and a receiver that compares the first and second fluorescent signals emitted from the DNA sample with the first and second delay signals, and accumulatively integrates the first fluorescent signal or the second fluorescent signal based on the comparison result.
Abstract:
A femtosecond pulse laser apparatus includes a pump light source configured to provide a pump light, a gain medium configured to obtain a gain of a laser light using the pump light, a first curved mirror and a second curved mirror, which are provided at both sides of the gain medium, an output mirror configured to transmit a portion of the laser light and reflect the other portion of the laser light to the gain medium, a mode locking portion configured to generate a femtosecond pulse of the laser light, and an acoustic wave generator configured to provide an acoustic wave into the gain medium so as to adjust self-phase modulation of the laser light.
Abstract:
Disclosed is an integral label-free biosensor capable of analyzing a biomolecule with high sensitivity by integrating a light source, a photodetector, an optical waveguide, and a microcantilever on a substrate, and a method of detecting a bio-antigen by using the same. The integral label-free biosensor according to the present invention may be manufactured with low cost, be easily integrated with a silicon electron device, and detect a biomolecule with high sensitivity by using a label-free method.
Abstract:
Disclosed is a silicon nano crystal light emitting diode, including: a photoelectric conversion layer formed of a silicon nitride layer including a silicon nano crystal; an electron injection layer formed on the photoelectric conversion layer; and a hole injection layer, which faces the electron injection layer with the photoelectric conversion layer interposed therebetween, has an energy band gap higher than that of the photoelectric conversion layer, and has a refractive index lower than that of a silicon thin film.
Abstract:
An apparatus for analyzing microbiome according to an embodiment of the inventive concept includes a light source unit configured to excite first light, a sample unit on which a sample to which the first light is incident is disposed, and a data analysis unit configured to receive second light emitted from the sample unit and analyze microbiome in the sample from the second light. Here, the sample unit includes a conductive polymer structure that surrounds the sample.
Abstract:
A photoelectric conversion device according to an exemplary embodiment includes a first substrate, a photoelectric conversion layer disposed above the first substrate, a second substrate which is different from the first substrate and disposed on the photoelectric conversion layer, and a nano pillar layer disposed above the second substrate in which the nano pillar layer includes a plurality of nano pillars which is spaced apart from each other, so as to easily absorb the light.
Abstract:
A silicon nano-crystal biosensor includes a flexible substrate transformed depending on a shape of a body organ, a light emitting device disposed on the flexible substrate and emitting light, and a light detector opposite to the light emitting device on the flexible substrate. The light detector absorbs the emitted light. A length of the flexible substrate is substantially equal to or greater than a radius of curvature of the body organ.
Abstract:
An apparatus for polymerase chain reaction (PCR) diagnosis for normalizing light source power and fluorescence power and an operating method thereof are disclosed.
Abstract:
Disclosed are a photo-acoustic sensor device and a photo-acoustic sensing method of the same. The sensing method includes providing a source light in a subject and receiving an ultrasonic wave generated in the subject by the source light. The source light may have a wavelength of 1400 nm to 2500 nm in a near-infrared band.
Abstract:
Provided are a pulse compressor and a two-photon excited fluorescence microscope. The microscope includes a light source which generates a laser beam having a pulse, a pulse compressor which compresses the pulse of the laser beam, an objective lens which provides the laser beam to a specimen, and image sensors which receive the laser beam and obtain images of the specimen. The pulse compressor may include a grating plate, a corner cube provided on one side of the grating plate, and a retroreflector provided on the other side of the grating plate.