There is provided a laser light irradiating device that includes a spatial light modulator configured to modulate laser light output from a laser light source according to a phase pattern and emit the modulated laser light, an objective lens configured to converge the laser light emitted from the spatial light modulator onto the object, a focusing lens arranged between the spatial light modulator and the objective lens in an optical path of the laser light and configured to focus the laser light, and a slit member arranged at a focal position on a rear side of the focusing lens in the optical path of the laser light and configured to block a part of the laser light.

Embodiments of the present disclosure provide for methods of detecting, sensors (e.g., chromogenic sensor), kits, compositions, and the like that related to or use tunable macroporous polymer. In an aspect, tunable macroporous materials as described herein can be used to determine the presence of a certain type(s) and quantity of liquid in a liquid mixture.

The present disclosure discloses an optical imaging lens assembly including, sequentially along an optical axis from an object side to an image side: a stop; a first lens having positive refractive power; a second lens having refractive power; a third lens having negative refractive power; a fourth lens having refractive power; a fifth lens having negative refractive power; and a sixth lens having refractive power and a convex image-side surface. The first to sixth lenses include two glass aspheric lenses. A distance TTL along the optical axis from an object-side surface of the first lens to an image plane of the optical imaging lens assembly and an effective focal length f of the optical imaging lens assembly satisfy: TTL/f<1.0.

The present disclosure discloses an optical imaging lens assembly including, sequentially along an optical axis from an object side to an image side: a stop; a first lens having positive refractive power; a second lens having refractive power; a third lens having negative refractive power; a fourth lens having refractive power; a fifth lens having negative refractive power; and a sixth lens having refractive power and a convex image-side surface. The first to sixth lenses include two glass aspheric lenses. A distance TTL along the optical axis from an object-side surface of the first lens to an image plane of the optical imaging lens assembly and an effective focal length f of the optical imaging lens assembly satisfy: TTL/f<1.0.

An optical metasurface which shifts resonant frequency in response to changing temperature. The optical metasurface includes a membrane printed in a pattern from materials with a high coefficient of thermal expansion (“CTE”). The optical metasurface can include a plurality of high CTE fibers/structures in a first direction and a plurality of low CTE fibers/structures in a second direction perpendicular to the first direction. Alternatively, the high CTE substrate can include a plurality of high CTE fibers/structures in only a first direction. The high CTE substrate can include a plurality of high CTE fibers and a plurality of low CTE fiber in a pattern which creates desired sensing domains. An array of nanostructures is formed on the high CTE substrate. The array of nanostructures is designed to resonate with light transmitted through or impinging upon the optical metasurface. The resonant frequency of the response can be tuned thermally.

A photonic crystal device to be used for trapping an atom and including a photonic crystal body, a slot waveguide, and an attractive force trap light laser. The photonic crystal body includes a base and a plurality of lattice elements periodically provided on the base, the slot waveguide is arranged between periodic lattice rows and includes an opening on one side face of the photonic crystal body, and the attractive force trap light laser is excited by excitation light incident from the opening and oscillates at a wavelength being longer than a wavelength of an absorption edge of the atom.

A light guide plate includes: an optical glass, the optical glass having a refractive index n.sub.d of at least 1.75 or of at least 1.80 and including Nb.sub.2O.sub.5 in an amount of at least 15 mol % and P.sub.2O.sub.5 in an amount of at least 19 mol %, the light guide plate having an internal transmission of at least 0.80 or of at least 0.90, measured at a wavelength of 440 nm and a sample thickness of 10 mm.

Provided is a meta-optics including a waveguide layer including a first surface and a second surface opposite to the first surface; and a plurality of meta units provided on the waveguide layer, each meta unit of the plurality of meta units including a grating configured to diffract incident light of a predetermined wavelength, a first electrode provided under the grating, a dielectric layer provided over the grating, and a second electrode provided on the dielectric layer, wherein a dielectric constant of the grating and a reflectance of the grating with respect to incident light change based on a voltage applied to the first electrode and the second electrode.

Provided is a biosensor device. The biosensor device includes a light source configured to generate source light, a photodetector configured to detect the source light, and a sample box accommodating a biomaterial that receives the source light to generate structured light beam from the source light. The sample box may include a substrate, a spacer on an edge of the substrate, a cover plate on the spacer, and a lower metamaterial pattern disposed on a top surface of the substrate.

Provided is an optical glass plate having a high refractive index and excellent visible light transmittance. An optical glass plate characterized by containing as a glass composition at least one selected from Nb.sub.2O.sub.5, La.sub.2O.sub.3, and Gd.sub.2O.sub.3, the optical glass plate having a refractive index (nd) of 1.90 to 2.30 and an internal transmittance τ.sub.450 of 75% or greater for a thickness of 10 mm at a wavelength of 450 nm.