A camera module is provided, including a prism base, a prism driving mechanism, a prism unit, a lens unit, and an image sensor. The lens unit is disposed on the lens driving mechanism. The prism base includes a metal member, at least one first wiring layer, and a first insulation layer disposed between the metal member and the first wiring layer. The prism driving mechanism is electrically connected to the first wiring layer. The prism unit is connected to the prism driving mechanism, and the prism driving mechanism can drive the prism unit to rotate relative to the prism base. The image sensor can catch the light reflected by the prism unit and passing through the lens unit.

A stereo comparator configured for use with a stereo endoscope for adjusting and aligning an optical assembly of the stereo endoscope, for example, in connection with the repair of the endoscope. The comparator includes a housing containing a plurality of optical components, namely, a first deflecting component, a second deflecting component, a third deflecting component and a beam splitter. The optical components are arranged so that the first deflecting component deflects a first beam from a right image channel of a stereo endoscope to the beam splitter, the second deflecting component deflects a second beam from a left image channel of the stereo endoscope to the third deflecting component, the third deflecting component deflects the second beam to the beam splitter and the beam splitter combines the first beam with the second beam to form a first combined beam that extends along an optical axis of the stereo endoscope.

There is provided a light source unit comprising a first light source having a solid light emitting device, a second light source having a luminescent material layer which emits light in a wavelength range which is different from light in a wavelength range which is emitted from the first light source by using the light emitted from the first light source as an excitation light source, and an optical device which is disposed between the first light source and the second light source, wherein the optical device has a dichroic layer which transmits a pencil of light emitted by the first light source and reflects a pencil of light emitted by the second light source, and a diffusing layer which diffuses the pencil of light emitted from the first light source.

In various embodiments, pointing errors in a non-wavelength-beam-combining dimension of a laser system are at least partially alleviated via staircased collimation lenses.

A symmetric light guide optical element (“LOE”) and methods of fabrication thereof are disclosed. The method includes providing a plurality of transparent plates, each plate having two parallel surfaces, stacking a first subset of the plurality of plates on a transparent base block to form a first stack of plates, forming a sloped surface on one side of the first stack plates and the base block, stacking a second subset of the plurality of plates on the sloped surface to form a second stack of plates, and extracting a slice of the first stack, the base block, and the second stack, such that the slice includes at least a part of the base block interposed between plates of the first stack and plates of the second stack.

Medical imaging equipment and a medical imaging method are provided. The medical imaging equipment includes medical equipment, a controller, and a head-mounted display. The medical equipment is configured to investigate a body portion and output a first image signal corresponding to the body portion. The first image signal has a first resolution. The controller is coupled to the medical equipment to receive the first image signal and convert the first resolution of the first image signal to a second image signal having a second resolution. The head-mounted display is coupled to the controller to display a display image of the second image signal. The head-mounted display has a direction line. When the head-mounted display faces the body portion, the display image and the body portion are located along to the direction line.

In various embodiments, optical networking devices and systems are provided. One such optical networking device includes a housing, a beam splitter assembly, and a polarizer assembly. The housing includes a first passage that extends between a first opening and a second opening which are aligned with one another along a first axis, and a second passage that extends between the first passage and a third opening. The third opening is aligned with and communicatively coupled to the first passage along a second axis that is transverse to the first axis. The beam splitter assembly is positioned in the first section of the housing, and includes a first shell, a beam splitter platform, and a beam splitter. The polarizer assembly is positioned in the second section of the housing, and includes a second shell, a polarizer platform, and a polarizer.

Disclosed are transparent energy relay waveguide systems for the superimposition of holographic opacity modulation states for holographic, light field, virtual, augmented and mixed reality applications. The light field system may comprise one or more energy waveguide relay systems with one or more energy modulation elements, each energy modulation element configured to modulate energy passing therethrough, whereby the energy passing therethrough may be directed according to 4D plenoptic functions or inverses thereof.

Disclosed are systems and methods for manufacturing energy relays for energy directing systems and Transverse Anderson Localization. Systems and methods include providing first and second component engineered structures with first and second sets of engineered properties and forming a medium using the first component engineered structure and the second component engineered structure. The forming step includes randomizing a first engineered property in a first orientation of the medium resulting in a first variability of that engineered property in that plane, and the values of the second engineered property allowing for a variation of the first engineered property in a second orientation of the medium, where the variation of the first engineered property in the second orientation is less than the variation of the first engineered property in the first orientation.

A coupling-in optical arrangement is configured for coupling light waves into a light-waves transmitting substrate by total internal reflection. The light-waves transmitting substrate has at least a first major external surface and a second major external surface. At least one of the first or second major external surfaces is coated with a coating that compensates for non-uniformity of the light-waves transmitting substrate. The light-waves transmitting substrate is formed from a plurality of transparent plates interleaved with a plurality of optical elements such that the transparent plates and the optical elements alternate along the light-waves transmitting substrate. Each of the transparent plates is coated with a partially reflecting coating, thereby forming a plurality of partially reflecting surfaces, which are configured for coupling light waves out of the light-waves transmitting substrate.