7 results about "Optical instrument" patented technology

An object of the present invention is to provide a laminated glass which reduces light transmittance loss of a certain region thereof at a predetermined wavelength, particularly within a near-IR (750 to 1,000 nm) range and which facilitates provision of an optical instrument employing the near-IR light without partial substitution of an intermediate film. The invention provides a laminated glass for vehicle formed of two glass sheets stuck with a thermoplastic resin film, wherein the laminated glass has a first region and a second region; the second region is provided in a belt-like form along upper side of the laminated glass when the laminated glass is secured onto the vehicle; the first region has a visible light transmittance of 70% or higher; the second region has a visible light transmittance of 5% to 50%; the difference, in a light transmittance within a wavelength range of 750 to 1,000 nm, between the first region and the second region is 5% or less; and the second region has a light transmittance of 25% or higher, within a wavelength range of 750 to 1,000 nm.

In the process of press molding an optical element having an optical functioning face having a grating which is rotationally asymmetric, both ends of an molding face (81) of an lower press die (80) are cut off to form inclined faces (83). During a press molding, glass material (90) filled in the cuttings presses the inclined faces (83) so that the rotation of a lower press die (80) in an barrel die (60) around an axis (61) is prevented. In addition, the part filled in the cuttings is used as the reference point to mount on an optical apparatus. As a result, the rotation of the press dies is prevented, and the displacement of the rotationally asymmetric optical functioning face is avoided. Therefore, the direction for mounting the optical element on an optical apparatus can be easily decided.

The invention discloses a microimaging optical system of an imaging flow cytometry and relates to the field of optical instruments applied to biology and medicine. The system solves the problems of an existing optical system of the imaging flow cytometry that the number of spectral imaging channels is small, imaging quality can not reach diffraction limit, and the resolution of the cytometry can not be improved. The system comprises a microobjective, a secondary imaging lens set, a multi-spectral light splitter, a multi-spectral imaging lens and a TDI camera. Full-wave band high-resolution amplification imaging of a sample to be tested is achieved through the achromatic microobjective, then an intermediate image plane is obtained through the secondary imaging lens set, a field stop is placed at the position of the intermediate image plane, collision is conducted through the secondary imaging lens set, stack splitting is conducted through the multi-spectral light splitter, and then light is converged on the TDI camera through the multi-spectral imaging lens. According to the system, full-spectrum subband multiple structures are adopted, it is guaranteed that the imaging quality of the imaging optical system can reach diffraction limit in any spectrum channel, and the minimum detection size of the whole system reaches 40 nm.

The invention belongs to the technical field of optical functional materials. A mixture system of a diimonium salt dye and a polyacrylate pressure-sensitive adhesive which contains alkoxy acrylate and has good compatibility with the diimonium salt dye is used, and a conventional coating preparation technology is used. The invention relates to a near infrared blocking membrane which is a single layer structure, and comprises a substrate, an adhesive glue film and an isolation film, the adhesive glue film thickness is between 5 ~ 50 mum, and an adhesive glue film coating liquid includes at least the following components by mass: 100 parts of the polyacrylate pressure-sensitive adhesive containing 9% ~ 50% of alkoxy acrylate, 0.5-10 parts of diimonium salt and 0.1-10 parts of a curing agent. The preparation method also includes curing process, and the curing conditions are 40-70 DEG C, 30-60% of RH, and 24-168 hours. The near infrared blocking membrane has good visible light region light transmittance, lower near infrared region light transmittance, and good stability of spectral integral blocking effect, and is applicable to the fields of electronics optical instruments and the like with shielding requirements on near infrared. The preparation method is simple in process and easy in operation and control, and production efficiency and rate of good product are high.

A long-range optical instrument for transmitting information to a peripheral device and a method for enabling communication between the long-range optical instrument and the peripheral are provided. The long-range optical instrument includes a near-field radio communication module. The near-field radio communication module is configured to establish a communications link with the peripheral device and to transmit data, in particular information concerning the long-range optical instrument, to the peripheral device over the communications link.

The invention provides a clamping device and an optical instrument, and relates to the field of optical instruments. The clamping device is used for clamping an optical element, and comprises a substrate and a press piece. The press piece is detachably disposed on the substrate, and is used for clamping the optical element on the substrate along the thickness direction of the optical element. The invention also provides the optical instrument, and the optical instrument comprises a rotating table and the clamping device, wherein the clamping device is detachably disposed on the rotating table. According to the invention, the clamping device and the optical instrument can improve the internal and surface distortion of the optical element when clamping the optical element, and bring convenience to a researcher for making an experiment.

Disclosed is a sea wave spectrum and wave height inversion method based on an analytic function theory, the two-dimensional sea wave spectrum is obtained through sea surface image inversion, the extreme point and the energy value of the spectrum are obtained through the particle swarm optimization algorithm, the analytic expression of the sea wave spectrum is obtained through the analytic function theory, and therefore the sea wave energy and the wave height of the spectrum are accurately determined. The invention has the advantages of high accuracy and simple implementation. The invention solves the problems that the noise threshold is not easy to accurately determine and the spectrum peak search is inaccurate when the sea wave spectrum is inverted by using the remote sensing image at present, and can be used for inverting the sea wave spectrum and the height of the sea wave by using the sea surface image observed by a radar or an optical instrument.