A set light amount-adjustment unit performs at least one of adjustment of the amount of second illumination light that is set at a first switching timing at which illumination light is switched to the second illumination light from first illumination light or adjustment of the amount of first illumination light that is set at a second switching timing at which illumination light is switched to the first illumination light from second illumination light.

An endoscope system includes a light source unit that emits normal light and first specific light having a peak wavelength different from that of each of red light, green light, and blue light included in the normal light, a dichroic filter that transmits first specific return light which is return light from a subject illuminated with the first specific light and that reflects return light from the subject illuminated with the normal light, a CMOS sensor on which the return light of the normal light is incident, and a CMOS sensor on which the first specific return light is incident.

A light emitting device includes a light source configured to emit a primary light, a first phosphor that absorbs the primary light and converts the primary light into a first wavelength-converted light having a wavelength longer than that of the primary light, and a second phosphor that absorbs the primary light and converts the primary light into a second wavelength-converted light having a wavelength longer than that of the primary light. The first wavelength-converted light is a fluorescence having a light component over an entire wavelength range of 700 nm or more to 800 nm or less. The second wavelength-converted light is a fluorescence having a peak where a fluorescence intensity shows a maximum value in a wavelength range of 380 nm or more to less than 700 nm. The first wavelength-converted light has a 1/10 afterglow time longer than that of the second wavelength-converted light.

A light source for illuminating a target for medical imaging include a first light emitter package comprising a first light emitter that emits light having a first wavelength band and a second light emitter that emits light having a second wavelength band that is different than the first wavelength band; and a controller for operating the light source in a first mode in which the first light emitter is activated and the second light emitter is deactivated and a second mode in which the first light emitter is deactivated and the second light emitter is activated.

An illumination source comprised of individual light emitting diodes (LEDs) specifically formed to operate at wavelengths associated with the absorption spectrum of certain biomolecule(s) of interest present in the region of the body being examined.

Advantageously, LEDs may be configured to generate a high intensity, narrowband beam that is well-suited for these medical imaging purposes where the ability to provide a proper diagnosis relies on the ability to create a high contrast image for review by the medical professionals. The inventive illumination source may also include a conventional white light source that is used as before for general observation purposes, with the one or more narrowband LEDs activated when there is a need to create a high contrast image of a particular ROI.

A medical imaging system including: imaging circuitry configured to capture an image; a defractive filter array mounted over the sensor circuitry and a separation device configured to adjust the distance between the defractive filter array and the sensor circuitry.

Endoscopic camera head devices and methods are provided using light captured by an endoscope system. Substantially afocal light from the endoscope is manipulated and split. After passing through focusing optics, another beamsplitter is used to split the light again, this time in image space, producing four portions of light that may be further manipulated. The four portions of light are focused onto separate areas of two image sensors. The manipulation of the beams can take several forms, each offering distinct advantages over existing systems when individually displayed, analyzed and/or combined by an image processor.

A medical control device includes: a driving mode switch configured to switch a driving mode of a rolling shutter type image sensor in which a plurality of pixels are two-dimensionally arrayed in units of horizontal lines; and a dimming controller configured to control a light emitting element configured to emit light according to a supplied current, and switch control of the light emitting element according to the driving mode.

Imaging components and systems are described herein. An example imaging component can include: a housing; at least one excitation optical element at least partially disposed within the housing; at least one laser-guiding element at least partially disposed within the housing, the at least one laser-guiding element being configured to deliver excitation pulses to a target location through the at least one excitation optical element via an aperture; and a signal collecting element disposed adjacent to the at least one excitation optical element.

The invention provides systems and methods for imaging a sample. In various embodiments, the invention provides a system comprising an image sensor, a laser for emitting excitation light for an infrared or near-infrared fluorophore, a visible light source, a notch beam splitter, a notch filter, a synchronization module, an image processing unit, an image displaying unit, and light-conducting channels. In various embodiments, the present invention provides a system comprising an image sensor, a laser for emitting excitation light for an infrared or near-infrared fluorophore, a laser clean-up filter, a notch filter, a white light source, an image processing unit, an image displaying unit, and light-conducting channels. In accordance with the present invention, the image sensor can detect both visible light and infrared light.