9results about How to "Increase light energy" patented technology

The invention discloses a lateral transceiving integrated optical fiber ultrasonic endoscope and a preparation method, and belongs to the field of ultrasonic endoscopic imaging. Comprising a double-clad optical fiber, an excitation film, a dielectric mirror and a sensing film. A part of the inner cladding of the optical fiber is etched into a concave spherical surface and coated with an excitation film, excitation light transmitted in the inner cladding is absorbed, and focused ultrasonic waves transmitted in the lateral direction are excited. A part of an inner cladding layer and a fiber core of the optical fiber are etched, and a Fabry-Perot (Fabry-Perot, F-P) cavity is prepared. When an ultrasonic signal laterally transmitted into the ultrasonic endoscope acts on the sensing film of the cavity, the effective refractive index and the F-P cavity length of the sensing film are changed, and the change is demodulated through signal light in the fiber core to complete ultrasonic detection. According to the lateral transmitting-receiving integrated optical fiber ultrasonic endoscope, the inner cladding is etched and coated with the excitation thin film to excite laterally focused ultrasonic waves, an F-P cavity is formed through lateral etching of the optical fiber to achieve lateral ultrasonic detection, and the lateral transmitting-receiving integrated optical fiber ultrasonic endoscope is formed.

The present invention relates to a transceiver device comprising: a light emission layer comprising at least one light emitter adapted to generate and emit emission light; the light emitting layer is stacked on the light detection layer, the light detection layer comprises at least one detection unit, the detection unit is configured to receive and detect incident light, and the beam combining layer is arranged on an optical path of the emitted light and the incident light. And is configured to at least partially separate the incident light from the emitted light.

The present invention discloses a dual-detector ellipsoid reflector receiving diffuse reflection spectrometer based on AOTF. The invention is based on the electrically controlled spectral characteristics of the acousto-optic tunable filter, and adopts dual-detector beam splitting reference calibration to realize real-time spectral calibration and light source performance detection. By adding spatial shielding of 0-order light, two beam splitters and a reflector, the ±1-order diffracted light is irradiated on the same position of the sample surface to increase the irradiation light energy. The sample is placed at one focus of the ellipsoid reflector using diffuse reflection detection, and the signal light receiving device is located at the other focus of the ellipsoid reflector, so as to increase the receiving efficiency of the diffusely emitted signal light of the sample; and the characteristic that the phase-locked circuit is insensitive to 0-order light is utilized to improve the signal-to-noise ratio of spectral detection.

The utility model provides a bath heater which comprises a machine shell and a fan, an air channel is arranged in the machine shell, the air channel is provided with a first air return opening and a first air outlet, the fan is installed in the air channel and located at the first air return opening, the bath heater further comprises an ultraviolet unit, and the ultraviolet unit is installed in the air channel. The ultraviolet unit is located at the bottom of the air channel and located between the draught fan and the first air outlet, the ultraviolet unit can irradiate ultraviolet light to the top of the air channel, and the bath heater has the advantages of being good in sterilization and disinfection effect and high in practicability.

Disclosed are an optical component (100), a backlight module (1000) and a display apparatus. The optical component (100) includes: a lens body (10), a light distribution film (20) and a light source (30); a light-emitting surface (12) is provided at a top of the lens body (10), and an accommodating groove (111) is provided at a bottom of the lens body (10); the light distribution film (20) is provided on the light-emitting surface (12), at least one bubble layer is formed in the light distribution film (20), and the bubble layer is provided with a bubble structure (21); the light source (30) is provided in the accommodating groove (111), and a luminous surface of the light source (30) is configured to face towards a wall of the accommodating groove (111), which mitigates the fact that the optical energy emitted by the light source (30) is still strong and concentrated on the front and weak and dispersed on the sides, thereby alleviating problems such as light spot on the lamp or light and dark aperture, the filament between lamp strips and the dark frame and dark corner of the module after being projected onto the diffuser plate.

The present invention discloses an intelligent cleaning mechanism for a spherical solar power generation device, comprising a glass ball, a first semicircular track and a second semicircular track are arranged around the outer surface of the glass ball, a water spray type cleaning mechanism is arranged on the first semicircular track, a tracking type photosensitive mechanism and a photosensitive plate cleaning mechanism are arranged on the second semicircular track, and a controller box is arranged at the upper end of one side of the fixed bracket, and the controller box controls the operation of the photosensitive plate cleaning mechanism and the water spray type cleaning mechanism respectively. Inside the controller box, there are a single-chip microcomputer chip, a sunlight detection mechanism, a first photoelectric conversion module, and a battery. The photosensitive plate of the tracking type photosensitive mechanism is electrically connected to the first photoelectric conversion module, the first photoelectric conversion module is electrically connected to the battery and the single-chip microcomputer chip respectively, and the single-chip microcomputer chip is electrically connected to the sunlight detection mechanism. This solution has the ability to intelligently analyze the pollution degree of the surface of the glass ball and the photosensitive plate, so as to maximize the light energy obtained, maximize the efficiency of power generation, and achieve the best cleaning benefit.

The invention relates to the field of beauty care equipment, and provides a hair growth instrument based on VCSEL and a light guide method thereof. The module is applied to a hair growth instrument and comprises a module lower shell, light guide tooth-shaped protrusions arranged on the module lower shell, a VCSEL chip fixed in the module lower shell, a metal support connecting the module lower shell and the VCSEL chip, heat conduction silica gel arranged between the VCSEL chip and the metal support, and a module main board electrically connected with the VCSEL chip. The method comprises the following steps: controlling the VCSEL chip to emit light; controlling the module mainboard to control the current of the VCSEL chip in a pulse width modulation mode; and acquiring a scalp state of a target to be subjected to light guide, and controlling the light emitting power to be dynamically adjusted in a preset power range according to the scalp state.

The present invention relates to the field of imaging systems, and in particular to an imaging system with a high static modulation transfer function, comprising an optical system, an imaging controller and a detector. For an area array detector, the static modulation transfer function of the area array detector is improved by reducing the filling rate. For a back-illuminated detector, sub-pixel-level shading is performed on some pixels of the back-illuminated detector to reduce the filling rate. The time delay integration in the digital domain is used to improve the light energy and signal-to-noise ratio of the area array detector or the back-illuminated detector, so that the dynamic modulation transfer function of the output image can be further improved while ensuring that the original signal-to-noise ratio remains unchanged or higher. For a time delay integration detector, the static modulation transfer function of the charge transfer direction of the time delay integration detector is improved by reducing the filling rate in the charge transfer direction, and the light energy loss is compensated by improving the integration order of the time delay integration detector, so as to solve the problem that the dynamic modulation transfer function is relatively low relative to the vertical charge direction.

The utility model belongs to solar cell application technical field, concretely relates to a kind of hoisting solar cell, hoisting solar cell includes cell panel assembly and hoisting subassembly, cell panel assembly includes solar cell panel and at least two first hoisting parts set on cell panel, hoisting subassembly is connected to external suspension facilities, for example airship etc., and the second hoisting part of hoisting subassembly is connected with first hoisting part by lifting rope, adjusting mechanism is provided on lifting rope, adjusting mechanism is used to adjust the length of lifting rope between first hoisting part and second hoisting part, by operating adjusting mechanism, the length change of two lifting ropes is adjusted, the relative angle of cell panel and hoisting subassembly can be adjusted, and then make cell panel more face the sun, improve the light energy that solar cell panel can receive, improve the collection efficiency to solar energy and improve the final power generation efficiency.