Abstract: A lens module is provided. The lens module includes a first driving unit configured to move a first lens barrel along an optical axis direction; and a second driving unit configured to move a second lens barrel along the optical axis direction, wherein the second driving unit is disposed between the first lens barrel and the second lens barrel and is configured to change a distance between the first lens barrel and the second lens barrel.

Abstract: An AI-controlled photonic system that performs therapeutic photomodulation and reflective optical diagnostics, including OCT, OCTA, near-infrared reflectance, and fundus autofluorescence, is described here. The system incorporates an AI-Predictive Gating module that identifies optimal temporal windows for energy delivery or data acquisition based on reflectance dynamics, retinal motion, physiologic parameters, mitochondrial biomarkers, and image-quality metrics. By synchronizing photonic emission and diagnostic capture to predicted physiologic states, the system improves diagnostic fidelity, enhances therapeutic precision, and enables earlier detection of degenerative, inflammatory, and pharmacologic retinal injury.

Abstract: A diffractive optical assembly includes an input coupler, an output coupler, and an image source. The output coupler is next to the input coupler. One of the input coupler and the output coupler has a most critical holographic optical element (HOE), and another one has a diffractive optical element (DOE). Bragg condition of the most critical HOE is more sensitive than Bragg condition of the DOE. The image source is configured to generate image light that is incident to the input coupler then propagates to the output coupler. The image light has incident angles to the input coupler and wavelengths corresponding to the incident angles. The wavelengths of the image light on the image source have a two-dimensional spatial distribution, such that relationships between the incident angles and the wavelengths of the image light comply with Bragg selectivity of the most critical HOE.

Abstract: An air veil system includes a housing containing a sensor, and a manifold mounted to the housing. The manifold defines an air outlet as a continuous loop surrounding the sensor. The air outlet is configured to receive a supply of pressurized air from an air source and generate an airflow that extends outward from the continuous loop in front of the housing, the airflow creating an air veil surrounding the sensor. The air veil extends outward from the continuous loop in front of the housing at an angle such that the air veil converges at a point in an axial direction of the manifold in front of the housing. The manifold includes a first surface and a second surface disposed at a predetermined gap relative the first surface. The air outlet as the continuous loop is defined by the predetermined gap.

Abstract: Disclosed are an optical system and a virtual reality device. The optical system comprises a display unit (10) and a first lens (20), the first lens (20) comprises a first surface (21) and a second surface (22), and the second surface (22) has a planar structure; an optical splitter is provided between the first surface (21) and the display unit (10); a first phase retarder (30) and a polarization reflector (40) are provided at a side of the first lens (20) away from the display unit (10), and the first phase retarder (30) is provided between the first lens (20) and the polarization reflector (40); and light emitted from the display unit (10) enters into the first lens (20) from the first surface (21), and is sequentially reflected by the second surface (22) and the first surface (21), and then exits the optical system from the second surface (22).

Abstract: A shooting apparatus, a camera, and an electronic device, related to a field of optical technologies, are provided. According to the shooting apparatus, in order to fix the lens assembly, the focusing magnets and the fixing magnetic yokes are used to replace a leaf spring. Then, by energizing the focusing coils, the lens assembly realizes autofocus under the action of the forces of attraction between the focusing magnets and the focusing coils. Therefore, the shooting apparatus can realize focusing and fix the lens assembly without using the leaf spring. This prevents the autofocus mechanism from malfunction caused by easy damage of the leaf spring, and reduces the size and weight of the shooting apparatus, thereby improving the performance of the autofocus mechanism.

Abstract: A zoom lens includes a first lens unit, a second lens unit, a third lens unit, and a rear lens group. The first lens unit has a positive refractive power. The third lens unit has a negative refractive power. The rear lens group includes one or more lens units. The first lens unit, the second lens unit, the third lens unit, and the rear lens group are disposed in order from an object side to an image side. An interval between lens units disposed adjacent to each other changes during zooming. The rear lens group includes all of lens units disposed closer to an image than the third lens unit. The first lens unit includes a first positive lens disposed closest to an object and having a positive refractive power. The rear lens group has a positive refractive power at a wide-angle end. Predetermined inequalities are satisfied.

Abstract: The subject of the invention is a microscope for high-resolution and specific analysis of biological substances. The microscope according to the invention is characterized by a power supply unit capable of generating constant current attached to the microscope housing; a set of mirrors and illuminating optics; a collimator placed between a monochromatic light source emitting light in a very narrow range of wavelengths and the collector lens; a dark-field condenser and objective including an in-between space to accommodate the stained biological specimen; and a surveillance camera or eyepiece, and a removable color filter placed between the objective and the surveillance camera or the eyepiece. The invention also covers the method to analyze biological specimens with fluorescent staining, wherein the biological contents of the specimen are analyzed in a growing medium in liquid state after the addition of antibodies marked with fluorescent stain, using the microscope according to the invention.

Abstract: An optical imaging lens assembly from an object side to an image side includes a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. Each of the five lens elements has an object-side surface facing the object side and an image-side surface facing the image side. The image-side surface of the first lens element is concave in a paraxial region thereof. The object-side surface of the fourth lens element is convex in a paraxial region thereof. The object-side surface of the fifth lens element is concave in a paraxial region thereof. At least one of the object-side surface and image-side surface of at least one of the first through fifth lens elements has at least one inflection point in an off-axis region thereof. An f-number of the optical imaging lens assembly is Fno, satisfying 1.5<Fno<2.0.

Abstract: The embodiment disclose a wearable augmented reality eyewear system including a frame supporting left and right transparent lenses. A plurality of outward-facing cameras mounted on the frame have overlapping fields of view for capturing real-time images of the environment. A plurality of inward-facing cameras integrated in the frame or lenses detect pupil size, pupil dilation, and gaze direction using infrared imaging. A digital processor analyzes gaze direction and fixation based on virtual grid coordinates, initiates an object or person recognition routine using images from the outward-facing cameras, and compares detected features with records in a database. At least one lens includes an AR projection system embedded therein and configured to superimpose data about the recognized object or person in the user's field of view. An audio speaker positioned near the user's ear outputs related audio. A wireless communication module enables real-time data exchange with a cloud-based platform.

Abstract: A MEMS actuator includes: a drive circuit for applying a drive voltage having a time waveform, which periodically repeats rising and falling and includes a period to be a constant voltage after the rising and before the falling, between a fixed comb electrode and a movable comb electrode; and a timing detection circuit that generates a capacitance derivative signal indicating a derivative value of a capacitance between the fixed comb electrode and the movable comb electrode by converting a current signal, which is output from the fixed comb electrode or the movable comb electrode within the period due to a change in the capacitance, into a voltage signal and detects a timing when the capacitance derivative signal reaches a threshold value. The drive circuit controls a relationship between the timing detected by the timing detection circuit and a timing of the falling to be constant.

Abstract: An ophthalmic lens includes a lens material having two curved surfaces opposing each other; a light scattering region; a first aperture (e.g., clear or with reduced scattering density/power compared to the light scattering region) surrounded by the light scattering region; and a second aperture (e.g., clear or with reduced scattering density/power compared to the light scattering region) separated from the first clear aperture by a portion of the light scattering region.

Abstract: An optical film includes a substrate, an optical function layer, and a colored layer. The substrate has an ultraviolet shielding rate of 85% or higher according to JIS L 1925. The optical function layer is formed on a first surface side of the substrate. The colored layer is formed on a second surface side. A difference ?E*ab between chromaticities before and after a lightfastness test is 5 or less. A first coloring material includes a maximum absorption wavelength of 470 to 530 nm and an absorption spectrum half width of 15 to 45 nm. A second coloring material includes a maximum absorption wavelength of 560 to 620 nm and an absorption spectrum half width of 15 to 55 nm. A third coloring material has a wavelength having the lowest transmittance in a wavelength range of 400 to 800 nm is in a range of 650 to 800 nm.

Abstract: A microscope system includes an eyepiece-side observation optical system that forms an image of a sample on an object side of an eyepiece, a camera-side observation optical system that forms an image of the sample on an image sensor, a diaphragm that limits a numerical aperture on the emission side of the camera-side observation optical system, and a processor that analyzes the image of the sample captured by the image sensor. In a case where a numerical aperture on an object side of an objective lens is denoted by NA, the numerical aperture on the emission side of the camera-side observation optical system determined by a light flux emitted from the camera-side observation optical system toward the image sensor at capturing the image is denoted by NA?, and a total magnification of the camera-side observation optical system is denoted by M1, the following is satisfied.

Abstract: A method of adapting a text for improving binocular function; it includes converting or classifying the string of characters into a first set of parts, a second set of parts and a third set of parts; adapting the string of characters into one or two dichoptic display strings configured to present the first set of parts strings to a first eye of the subject, to present the second set of parts to a second eye of the subject, and to present the third set of parts to both the first eye and the second eye; and causing a setting of a relative luminance contrast between the first set of parts, the second set of parts and the third set of parts for allowing a subject to perceive the first set of parts using the first eye and perceive the second set of parts using the second eye.

Abstract: An embodiment of the present invention relates to a lens module comprising: a first lens which comprises a center portion including a curved surface and a periphery portion extending from the center portion; an electrode which is disposed on the first lens; and first and second conductive parts which are disposed on the electrode, wherein the first and second conductive parts include first and second surfaces opposite to each other with respect to the center portion therebetween, respectively, and the first and second surfaces are convex toward the center portion.

Abstract: The present disclosure is of a piezoelectric speaker. The piezoelectric speaker includes a plurality of piezoelectric elements and a vibration transmission plate. Each piezoelectric element is configured to generate vibration based on an audio signal. The vibration transmission plate includes a plurality of elastic rods and a mass block, and each elastic rod connects the mass block and one of the plurality of piezoelectric elements. The mass block simultaneously receives the vibration of the plurality of piezoelectric elements and generates at least two resonance peaks in a frequency range of 20 Hz-40000 Hz.

Abstract: A film structure comprises a substrate and a buffer film formed on the substrate. The substrate is a 36° to 48° rotated Y-cut Si substrate, or the substrate is a SOI substrate comprising a base substance made of the 36° to 48° rotated Y-cut Si substrate, an insulating layer on the base substance, and a SOI layer made of a Si film on the insulating layer, and a Miller index of a crystal plane of an upper surface of the SOI layer is equal to the Miller index of a crystal plane of an upper surface of the base substance. The buffer film comprises ZrO2 epitaxially grown on the substrate.

Abstract: Provided is a display panel. The display panel includes: a substrate, and a plurality of first light-emitting devices, a plurality of first pixel drive circuits, a plurality of connecting lines, a plurality of second light-emitting devices and a plurality of second pixel drive circuits disposed on the substrate. The plurality of first light-emitting devices disposed in a light-transmitting display region are coupled to the first pixel drive circuits disposed in a conventional display region through the plurality of connecting lines. An acute angle is provided between an extending direction of at least part of segments of at least one connecting line in the plurality of connecting lines and the first direction, wherein the at least part of segments are disposed in the light-transmitting display region.

Abstract: A mandrel 1 for holding an ophthalmic lens member blank 16 during machining is disclosed. The mandrel 1 has a front surface 6 for receiving an ophthalmic lens member blank 16 to be machined. The front surface 6 comprises a planar surface region 10; a curved surface region 8; and a drainage channel 12 located between the curved surface region 8 and the planar surface region 10 such that wax applied to the curved surface region 8 flows into the drainage channel 12. A kit of parts comprising such a mandrel 1, a method of mounting an ophthalmic lens member blank 16 for machining, a method of machining an ophthalmic lens member blank 16, an ophthalmic lens produced using the apparatus and a batch of such lenses are also disclosed.