Canon Kabushiki Kaisha

Jasco Corporation

National Institute of Advanced Industrial Science and Technology

Yuichi Miyoshi

Daigo Kobayashi

Wataru Kikuchi

Kazuhiko Ito

Yoshihito Narita

Hiroshi Nakanishi

Hiroshi Hayakawa

Takashi Fukuda

Hirotomo Taniguchi

Yoshiro Kondo

Kunio Ohtaki

Akira Emoto

Fumio Korayashi

Eiichi Yamazaki

Yoshihisa Masuda

Kiyozo Suzuki

A reflective polarized-light separating diffraction-element including a substrate, a reflection surface formed on a surface of the substrate, and a lattice structured body assembly that is provided on the reflection surface and exhibits a form birefringence (Δn*). The lattice structured body assembly includes lattice structured bodies of a plurality of patterns having lattice structures of different azimuths, and these lattice structured bodies of a plurality of patterns are aligned in a predetermined direction on the reflection surface so that the azimuths of the lattice structures change in a structurally periodic manner.

Reflective polarized light separation and diffraction element and optical measurement device comprising same

A circular dichroism measurement device includes: a sample part having a sample; a PEM that modulates a polarization state of an incoming light to the sample part or an outgoing light from the sample part; a photo detector that detects a change in a light intensity of the outgoing light from the sample part; an amplifier that amplifies a detection signal from the photo detector; an A/D converter that converts the detection signal amplified by the amplifier to a digital signal; and a digital processing device that executes a signal processing to the digital signal from the A/D converter to acquire a measurement value of circular dichroism of the sample. The A/D converter is configured to convert the detection signal, that is amplified in a state of containing the AC component and the DC component of the light intensity that changes with the same frequency as the modulation frequency of PEM.

Circular dichroism measurement device and circular dichroism measurement method

A phase difference control device comprises: a splitting polarizer splitting a light incident from a light source into a measurement light and a reference light, both of which are linearly polarized; a PEM imparting a phase difference to the measurement and reference lights to correspond to the spectrometry; a PEM driver supplying a modulation voltage to the PEM; a PEM control circuit inputting the reference light as a feedback signal and outputting a modulation control quantity signal to the PEM driver; and a CPU circuit monitoring the wavelength of the light in the splitting polarizer to input a wavelength variation as a wavelength signal, wherein the CPU circuit converts the wavelength signal to a feedforward signal which is output to the PEM control circuit; and the PEM control circuit performs arithmetic processing by the feedback and feedforward signals to output the modulation control quantity signal to the PEM driver.

Phase difference control device

A plastic optical component includes a base member made of a first plastic, and a covering member disposed over a surface of the plastic member. The covering member is made of a second plastic. The water absorption of the first plastic is lower than the water absorption of the second plastic.

Plastics optical component and method for manufacturing the same

The present invention provides a microfluidic device which is molded with a die and has a specimen inlet part. The microfluidic device has the specimen inlet part. The specimen inlet part has an inlet channel for introducing a specimen into the flow channel, wherein the inlet channel has a diameter which continuously and gradually increases as the inlet channel approaches the flow channel, or has a diameter which is constant in the vicinity of an inlet port and then continuously and gradually increases as the inlet channel approaches the flow channel.

Microfluidic device

A molding apparatus transfers plural molds in succession through a temperature elevating step, an injection molding step, pressurized cooling step and a molded article removing step. The apparatus is provided with plural cooling presses for the pressurized cooling step and so constructed as to prevent the stagnation in the transfer of the molds according to the molding conditions and the number of molds.

Molding process and apparatus for transferring plural molds to plural

Growing community of inventors

Ushiku, Japan

Yuichi Miyoshi