Abstract: The present invention addresses the problem of providing an optical compensation thin film which contains a cellulose acylate and an additive and which when laminated on a polarizer with a photocurable adhesive, exhibits high adhesiveness to the polarizer and can reduce the occurrence of curling and the deterioration of polarization degree. An optical compensation film which contains a cellulose acylate having an acylation degree of 2.0 to 2.5 and an additive and which has a film thickness of 15 to 40 ?m, characterized in that when 50 pl of hydroxyethyl acrylate droplets are dropped on the film at 23 C and 55% RH, at least one surface of the film exhibits a permeability of 10 to 25 pl/15 sec to the droplets.

Abstract: An improved monocular/binocular bridge and helmet mounting device employing same for an optical device are provided. The mounting device herein includes a mount with a bridge attachment for providing multiple options for a monocular or binocular optical device and multiple options for moving the attached optical device to any of multiple stowed positions out of the user's line of sight when the optical device is not in use. The bridge attachment and multiple stow positions also allow the unit to be adapted for a variety of viewing devices.

Abstract: An optical system for imaging an object includes a objective, an image stabilizing unit, an image plane and a drive unit, which is arranged at the image stabilizing unit and provided for moving the image stabilizing unit. The optical system includes a control unit. A signal from the control unit is forwarded to a first high-pass filter. The control unit has an output line and the high-pass filter has a filter output line. Both the output line and the filter output line are arranged at an addition unit such that an actuation signal from the control unit and an output signal from the high-pass filter are added to produce an addition signal. The addition unit is arranged at the drive unit in such a way that the addition signal is used for actuating the drive unit and for moving the image stabilizing unit.

Abstract: An improved prismatic polygonal reflector with increased aerodynamic properties and reduced scattering of reflected light is provided. The reflector may be used for scanning, and may include a first end, a second end, a plurality of side surfaces located circumferentially about a center axis of the reflector, and a plurality of intersections joining the plurality of side surfaces. Each of the plurality of intersections includes a curved or a flat portion and a pointed portion aligned circumferentially with other pointed portions on the plurality of intersections to provide a circumference around the reflector for light to reflect and form a scanning beam without light scattering. A system and method for scanning with the reflector is also provided.

Abstract: An optical device which is disposed between a light source section of a display apparatus and a projection target member, includes a first luminous flux diameter enlargement element in which a first light-transmissive layer and a first partially reflective layer are alternately laminated in a first direction, and a second luminous flux diameter enlargement element in which a second light-transmissive layer and a second partially reflective layer are alternately laminated in a second direction intersecting the first direction. The first partially reflective layer and the second partially reflective layer are formed from dielectric multilayered films that have the same film configuration. In addition, the optical device includes a retardation element that is formed from a ½? retardation plate between a first emission surface of the first luminous flux diameter enlargement element and a second incidence surface of the second luminous flux diameter enlargement element.

Abstract: A camera module is provided which has a simple structure, can be easily assembled, can avoid the adverse effects of dust on imaging, and can promote heat dissipation of an imaging device. In a camera module, which includes a lens unit that has a cylindrical thread portion, a flat plate-shaped imaging device that is mounted on a printed wiring board, and a holder that holds the lens unit and the printed wiring board with maintaining the predetermined positional relationship therebetween, an imaging field of the imaging device is disposed in a space tightly closed by a first spacer that is made into a ring shape made of an elastic material the surface of which is an adhesive surface, and the adhesive surface is exposed at least in an inner peripheral wall of the first spacer. The first spacer may be made of a material that further has favorable thermal conductivity.

Abstract: It is an object of the present invention to provide a microscope that is capable of precisely controlling the amount of an immersion medium held in a gap between an objective lens and a mounting part, and that is capable of observing a specimen without varying the mounting part. The microscope includes a supply port from which an immersion medium is supplied to a gap between a film-like mounting part on which a specimen is loaded and an immersion objective lens, and a suction port that is arranged so as to be able to be brought into contact with an immersion medium supplied from the supply port, and from which the immersion medium can be sucked.

Abstract: A depolarizer, including: a photoalignment layer deposited on the substrate; and a birefringent layer deposited on the photoalignment layer; wherein the photoalignment layer includes a plurality of segments, each segment with a different fast axis orientation and a different pretilt angle, such that each segment of the birefringent layer over the corresponding segment of the photoalignment layer has a different fast axis angle and a different birefringent value.

Abstract: Methods and systems for autofocusing of an imaging system are presented. Provided is an imaging system and an optical interferometry system for generating one or more images corresponding to a target region in a subject. The method provides calibration information that identifies a focal position of the optical interferometry system corresponding to a determined focal position of the imaging system. A subsequent focal position of the imaging system is determined for generating a desired image corresponding to at least one of another target region in the subject and another position of the target region relative to the imaging system based on the calibration information.

Abstract: A composition for an optical film, including a first liquid crystal compound represented by the following Chemical Formula 1 and a second liquid crystal compound represented by the following Chemical Formula 2, wherein a difference between a solubility parameter of the first liquid crystal compound and a solubility parameter of the second liquid crystal compound is about 2.50 to about 2.90 wherein in Chemical Formulae 1 and 2, X, R1 to R3, Z, n, m, and p are the same as described in the detailed description.

Abstract: An optical microscope and method for detecting lens immersion in optical microscopy includes an ultrasound circuit acoustically coupled to both an objective lens and a sample slide of an optical microscope, the ultrasound circuit comprising an ultrasound transmitter and an ultrasound receiver. The optical microscope and method includes transmitting an ultrasound pulse from the ultrasound transmitter to the ultrasound receiver, determining that a transit time of the ultrasound pulse is less than a threshold time, and providing an output signal from the pulse discriminator indicating that the ultrasound pulse is less than the threshold time.

Abstract: A beam combiner in a light scanning microscope for combining two illuminating beams that can be independently scanned. A first beam path (B1) guides a first illuminating beam (2) along a first optical axis (OA1) and a first optical device (L1) bundles the first beam (2) in an intermediate image plane. A second beam path (B2) guides a second illuminating beam (3) along a second optical axis (OA2) that intersects the first optical axis (OA1) at a point of intersection (Z) lying in or near the intermediate image plane, and a scanner (S2) for deflecting the second illuminating beam (3) and arranged before the point of intersection (Z) of the optical axes (OA1, OA2) in the propagation direction of the second illuminating beam (3).

Abstract: The present invention is related to an holographic probe device for recording a gabor hologram comprising: a coherent optical fiber bundle comprising a distal end and a proximal end; a recording medium optically coupled to the proximal end of the coherent optical fiber bundle; a light source producing in use a single light beam, illuminating the distal end of the coherent optical fiber bundle and the object to be observed.

Abstract: A thermoformed multilayer reflective polarizer substantially rotationally symmetric about an optical axis passing thorough an apex of the thermoformed multilayer reflective polarizer and convex along orthogonal first and second axes orthogonal to the optical axis is described. The thermoformed multilayer reflective polarizer has at least one first location having a radial distance r1 from the optical axis and a displacement s1 from a plane perpendicular to the optical axis at the apex, where s1/r1 is at least 0.2. The thermoformed multilayer reflective polarizer may have at least one inner layer substantially optically uniaxial at at least one first location away from the apex. For an area of the reflective polarizer defined by s1 and r1, a maximum variation of a transmission axis of the reflective polarizer may be less than about 2 degrees.

Abstract: A transmitted-light microscope for imaging well-shaped, liquid-containing sample vessels, wherein the transmitted-light microscope has an illumination beam path for illuminating the sample vessel with an illumination beam bundle, from above, along an optical axis, wherein the illumination beam path has an illuminating element aligned to the optical axis, which element irradiates the illumination beam bundle onto the sample vessel, an imaging beam path for imaging the sample vessel from below along the optical axis and a pipette access channel for introducing a reagent into the sample vessel, wherein the illuminating element is annular and has an opening on the optical axis through which opening runs the pipette access channel.

Abstract: Optical systems including first and second optical stacks and adapted to provide an adjustable dioptric correction are described. The first optical stack includes a first optical lens and a partial reflector. The second optical stack is convex along orthogonal first and second axes and includes a second optical lens and a reflective polarizer. The reflective polarizer has at least one first location having a radial distance r1 from an optical axis of the second optical stack and a displacement s1 from a plane perpendicular to the optical axis at an apex of the reflective polarizer, where s1/r1 is at least 0.1. A quarter wave retarder is disposed between the second optical stack and the first optical stack.

Abstract: An optical system for imaging an object has at least a first objective, at least a first image stabilizing unit and at least a first eyepiece, wherein, as seen in the direction of the first eyepiece from the first objective, the first objective is arranged first along a first optical axis, then followed by the first image stabilizing unit and then followed by the first eyepiece. The first image stabilizing unit is rotatably mounted in cardan-joint fashion about a first hinge point, and the first hinge point is arranged between the first objective and the first eyepiece. The optical system is distinguished by virtue of the fact that the first image stabilizing unit comprises a first lens unit and at least a further optical element, wherein the first lens unit and the optical element are arranged such that the first lens unit is, together with the optical element, rotatably mounted in cardan-joint fashion about the first hinge point.

Abstract: The invention provides a slide holder that utilizes edge detection algorithms to determine the location of various edges of a slide. From these edges, and integrating characteristic slide dimension, both linear offset of the edge of the slide in the holder and any rotation of the slide relative to the microscope stage axis are determined. The process of using the slide holder of the invention ensures precise and accurate placement of a slide during a first round of imaging and for reload in subsequent rounds.

Abstract: A method for manufacturing a polarizing lens comprises taping an upper mold using first tape, applying a first resin composition onto a concave surface of the upper mold, forming a polarizing film on the first resin composition, performing first polymerization on the upper mold including the first resin composition and the polarizing film, spacing the upper mold apart from a lower mold, taping the upper mold and the lower mold using second tape, injecting a second resin composition into a space between the polarizing lens and the lower mold, and performing second polymerization on the upper mold including the gel-state upper lens coupled with the polarizing lens, the second resin composition, and the lower mold.

Abstract: The present invention relates to a confocal laser scanning microscope (100) having an illumination device (1) that comprises a laser light source (41) that is configured to illuminate a sample (25), and a control application circuit (40) for the laser light source (1) which is configured to output a pulsed control application signal (48) in order to supply the laser light source (41), the control application circuit (40) being configured so that it determines both a pulse amplitude (A) and a pulse width (W) of at least one pulse of the pulsed control application signal (48) as a function of at least one input variable (S).