A display device includes a relay waveguide and a scanner. The scanner is configured to angularly scan image light for coupling into the waveguide, and includes a scanning reflector and a second reflector disposed between the scanning reflector and an input coupler of the waveguide. The scanning reflector has an aperture for the image light to propagate therethrough toward the second reflector. The second reflector is configured to reflect at least a portion of the image light received through the aperture back toward the scanning reflector and to transmit at least a portion of the image light reflected from the scanning reflector toward the input coupler. The arrangement enables a compact design of the display.

There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.

A screen protector configured to be disposed on an attaching body on an electronic device in an attaching mode to correspondingly cover a display screen of the electronic device. The screen protector comprises a grating sheet and a first attaching member disposed vertically adjacent to each other side-by-side and coated between two outer cover films. The screen protector is disposed on the attaching body on the electronic device in an attaching mode through the attaching member, so that a viewing zone defined by the grating sheet correspondingly covers the display screen of the electronic device.

An optical element includes a transparent substrate having a planar front surface, and a multilayer structure, which is formed on the front surface of the substrate and includes multiple thin film layers, including an outer layer that is exposed to ambient air. The multilayer structure defines, at a target wavelength, a series of resonant cavities that create, for a beam of light at the target wavelength that is incident on the optical element at a target angle, a passband for an s-polarization component of the beam and a stopband for a p-polarization component of the beam.

The invention relates to an optical system of a microlithographic projection exposure apparatus, in particular for operation in the EUV, comprising at least one polarization-influencing arrangement having a first reflection surface and a second reflection surface, wherein the first reflection surface and the second reflection surface are arranged at an angle of 0°±10° or at an angle of 90°±10° relative to one another, wherein light incident on the first reflection surface during the operation of the optical system forms an angle of 45°±5° with the first reflection surface, and wherein the polarization-influencing arrangement is rotatable about a rotation axis running parallel to the light propagation direction of light incident on the first reflection surface during the operation of the optical system.

A patterning method using an imprint mold, to form an imprinted pattern structure, includes providing a resist layer from which the pattern structure will be formed, performing a first imprint process on a first area of the resist layer by using the imprint mold to form a first pattern of the pattern structure through deformation of the resist layer in the first area, and performing a second imprint process on a second area of the resist layer by using the imprint mold to form a second pattern of the pattern structure through deformation of the resist layer in the second area. The first and second areas are overlapped with each other in a third area of the resist layer, and the performing the second imprint process deforms a first portion of the first pattern in the third area to form the second pattern.

Laser-based spectroscopy systems and methods including a laser source that emits a beam of radiation, an optical resonant cavity having at least two cavity mirrors, and at least one beam filtering element positioned along a path of the beam external to the cavity and having a front surface, wherein the front surface is oriented such that an intersection of the beam and the surface is at an angle, such as the Brewster's angle or a pseudo-Brewster's, that reduces or eliminates reflection of a predominant polarization component of the beam by the filtering element.

An optical device includes a reflector-section that includes a light-ingress surface for receiving light from a light source, a reflector surface for reflecting the light based on total internal reflection, and a light-egress surface through which the reflected light exits the optical device. When the light source is at a predetermined position with respect to the optical device, an angle of incidence (θ.sub.i) of the light at the light-egress surface is a polarization angle at which a p-polarized component of the light is transmitted through the light-egress surface without being reflected by the light-egress surface. Thus, unwanted reflections at the light-egress surface can be reduced and thereby unwanted scattering of light is reduced while having good transmitting efficacy.

An optical system includes a reflective polarizer (20), and a display (10), first mirror (30a), and second mirror (30b) disposed on a same side of the reflective polarizer (20). The reflective polarizer (20) transmits an image emitted by the display (10) after the image is reflected by the first and second mirrors (30a, 30b). A mid-plane defined by intersection points between an optical axis of the system and the display (10), reflective polarizer (20), and second mirror (30b) has one-pass through four-pass regions having respective areas, A1 through A4. The one-pass region includes portions of the emitted image rays (15) that pass at least one time across the one-pass region, the two-pass region includes portions of the image rays (15) that pass at least two times across the two-pass region, the three-pass region includes portions of the image rays (15) that pass at least three times across the three-pass region, and the four-pass region includes portions of the image rays (15) that pass four times across the four-pass region, such that the ratio A4/A3 is between approximately 0.15 and approximately 0.40.

The present disclosure relates to an image display system includes an optical laminate including an optical layer that changes the polarization direction of incident light by 90° and at least one transparent resin substrate; display-image projection means for emitting S polarized light to the optical laminate; and a polarized-light control unit including a P-polarized-light control unit that transmits S polarized light and blocks P polarized light or an S-polarized-light control unit that changes the polarization direction of incident light by 90° and blocks S polarized light, in which S polarized light reflected on the optical laminate is incident on the polarized-light control unit.