Omron Corporation

Takahiro Okuda

Mariko Marukawa

Kosuke Sugiyama

Hisayasu Morino

Jumpei Nakamura

Hiroaki Takimasa

Motoki Tanaka

Hiroyuki Mizusaki

Yasuhito Uetsuji

Takahiro Suga

Masayuki Hayakawa

Kenichi Matoba

Masaru Horie

Jun Takashima

Shinsuke Yamakawa

The optical measuring device includes a light source that outputs light of a plurality of wavelengths; a sensor head including a conversion lens that converts light incident via a light guide part, which includes a plurality of cores, into parallel light, and an objective lens that irradiates the light in which chromatic aberration is generated to a measurement object; and a spectroscope that acquires reflected light reflected by the measurement object and condensed by the sensor head via the light guide part and measures a spectrum of the reflected light. In the sensor head, a shield that shields light is arranged between the conversion lens and the objective lens to inhibit light emitted from one core among the plurality of cores included in the light guide part from entering cores other than the one core as the reflected light.

Optical measuring device

A light guide member includes: a light projecting side light guide part that extends in the front-and-rear direction and guides light emitted from a light projecting part to the outside of a case; a light receiving side light guide part that extends in the front-and-rear direction and is spaced apart from the light projecting side light guide part by a gap in the up-and-down direction, and guides light that enters from the outside of the case to a light receiving part; and a connecting part disposed over the gap and connecting the light projecting side light guide part and the light receiving side light guide part. The gap is provided with a reduction part at an end portion on the side of the connecting part, and a dimension of the reduction part gradually decreases toward the side of the light projecting part.

Photoelectric sensor

The disclosure provides a photoelectric sensor that reliably guides light by a light guide member and is easy to be assembled. A light projecting side light guide part of a light guide member extends in the front-and-rear direction. A light receiving side light guide part extends with at least a part thereof inclined with respect to the front-and-rear direction. A light shielding member includes a fitting part, into which the light projecting side light guide part fits in the front-and-rear direction, and a contact part that is in contact with a base board in the front-and-rear direction.

Photoelectric sensor comprising at least one of a light projecting side light guide part and a light receiving side light guide part extends with at least a part thereof inclined with respect to a predetermined direction

Provided is a sensor head that can increase the flexibility of installation. The sensor head is a sensor head of a sensor for measuring displacement of a measurement object. The sensor head includes: a diffractive lens generating chromatic aberration along an optical axis direction on an incident light, a case part housing at least the diffractive lens inside, and fixing parts and used for fixing to a fixing object. The case part includes a cylindrical part having a cylindrical outer shape, and the outer shapes of the fixing parts and are within the outer shape of the cylindrical part when viewed in a central axis direction of the cylindrical part.

Sensor head

Provided is a sensor head capable of reduction in size while securing measurement accuracy. A sensor head includes a first case section and a second case section each having a substantially cylindrical shape and an end portion of which is open, and a third case section configured to connect the first case section and the second case section, a diffraction lens is disposed in the first case section, an objective lens is disposed in the second case section, and a mirror member is disposed in the third case section and configured to bend light entering the diffraction lens side toward the objective lens side.

Sensor head for positioning sensor

A confocal measurement device includes a light source that outputs white light, an optical coupler, a sensor head that applies light with a chromatic aberration caused therein to a measurement object, and a spectroscope that acquires reflected light which is reflected by the measurement object and measures a spectrum of the reflected light. The optical coupler is a filter type coupler or a spatial optical system type coupler that brings a first transmission waveform when light is transmitted from a first optical fiber cable to a second optical fiber cable and a second transmission waveform when light is transmitted from the second optical fiber cable to a third optical fiber cable close to each other.

Confocal measurement device

Provided is a sensor head that can be miniaturized without compromising the measurement accuracy. A case of the sensor head includes a first case part and a second case part respectively having a substantially cylindrical shape with an axis, i.e., optical axis, as a central axis and being opened at an end part, and a connection member having a substantially annular shape with the axis as a central axis. The first case part and the second case part are connected to each other by screwing female thread parts and respectively formed on the inner circumferential surfaces thereof to a male thread part of the connection member.

A confocal measuring device capable of enlarging a measurement range using a compact device configuration is provided. A confocal measuring device (A) is configured to include: a diffractive lens () that causes chromatic aberration in light emitted from a white LED light source (); a diffractive lens () that increases chromatic aberration of light passing through the diffractive lens (); and an objective lens () that condenses light into a measurement target range such that the condensed light has chromatic aberration along an optical axis.

Confocal measuring device

A focused image is taken around the focal point by a confocal displacement meter. In a measurement apparatus, a confocal displacement meter system OPT-A includes a laser diode, a collimator lens, an objective lens, a half mirror, a diaphragm plate, and a photodiode. An observation image imaging system OPT-B is a telecentric light receiving optical system, and the observation image imaging system OPT-B includes a white light source, an objective lens, a dichroic mirror, a diaphragm plate, an image formation lens, and an image sensor. The collimator lensis swept by an oscillatorin a two-headed arrow direction. A diameter of a diaphragm hole of the diaphragm plateis set such that a depth of field of the objective lensis not lower than sweep amplitude of the collimator lens

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Kyoto, Japan

Takahiro Okuda