A solid immersion lens holder includes a first member having a first opening disposing a spherical face portion therein so that a part of the spherical face portion protrudes toward an objective lens side and a second member having a second opening disposing a contact portion therein so that a contact face protrudes toward a side opposite to the objective lens side. The first member includes three plate members disposed on the objective lens side with respect to the first opening. Each of the three plate members is provided with a protrusion portion capable of contacting the spherical face portion.

A holder for a microsphere comprises a first body portion and a second body portion coupled to the first body portion. The first body portion and the second body portion being configured to provide a receiving position therebetween for the microsphere, such that when the microsphere is at the receiving position, the microsphere is coupled to the first body portion and the second body portion. In another aspect, a lens system for near-field optics is disclosed. An optical microscope comprising the holder or the lens system is also disclosed. A microsphere assembly being attachable to an objective lens for near field optics is also disclosed.

The invention relates to pyrrolone compounds of the formula (I), wherein X, R.sup.a, R.sup.b, R.sup.c, R.sup.1, R.sup.2 and R.sup.3 are as defined in the specification. Furthermore, the present invention relates to processes and intermediates for making compounds of formula (I), to herbicidal compositions comprising these compounds and to methods of using these compounds to control plant growth. ##STR00001##

There is disclosed a system and associated method for mounting an optical component in an optical arrangement. An optical component (1) is provided having a circular edge region (5). A mount (9) having a circular wall is also provided, the circular wall being configured for radially-spaced cooperation with the circular edge region of the optical component. The system is configured such that one of said circular edge region (5) and said circular wall (17) has a plurality of spaced-apart protrusions (23) provided around it. The other of the circular edge region (5) and the circular wall (17) has a plurality of spaced-apart recesses provided around it. The protrusions (23) and the recesses (7) are configured such that each protrusion (23) may be aligned with a respective recess (7) and engaged within said recess (7) via relative rotation between the optical component (1) and the mount (9). The system further includes an adhesive (32) for application between said circular edge region (5) and said circular wall (17) to adhesively fix the optical component (1) in position relative to the mount (9).

An optical module includes a bench part and a cap on the bench part. The bench part includes a bench, an electrode, a semiconductor optical device and a lens. The electrode is disposed on the first and second areas of the bench. The semiconductor optical device is disposed on the electrode in the first area. The cap includes a base, a pad electrode, a conductor, a ceiling, a front wall, and a rear wall. The pad electrode is disposed on the base. The conductor is disposed on the base and connected to the pad electrode. The electrode is electrically connected to the conductor on the second area. The ceiling extends along a first plane. The front wall has a front outer face extending along a second plane intersecting the first plane. The rear wall extends from the ceiling in a direction from the cap to the bench.

The present invention relates to the technical field of camera equipment, in particular to an autofocus camera structure for cell phone applications, comprising a glass substrate, and a deformed glass plate having an image-side surface is provided on one side of the glass substrate, wherein a polymer resin layer supporting the image-side surface of the deformed glass plate is provided between the glass substrate and the deformed glass plate, so as to form a converging lens among the glass substrate, the polymer resin layer, and the deformed glass plate; and a piezoelectric thin film ring is provided around the image-side surface to realize a change of focus by deformation generated by the piezoelectric thin film ring.

A system includes a frame, an ultraviolet light source, an LCD panel, and a computer. The frame is configured to retain a substrate to be converted into a silk screen stencil. The LCD panel is positioned between the frame and the ultraviolet light source. The computer is coupled to the LCD panel. The computer is configured to transfer image data to the LCD panel. The image data defines an image to be transferred to the substrate.

Camera assemblies that include a lens module, a camera housing enclosing the lens module, and an actuator module coupled to the lens module. The lens module includes at least one lens element disposed along an optical axis and a lens barrel at least partially surrounding the at least one lens element. The lens barrel includes a flange that defines, at an intersection with the at least one lens element, an input aperture through which light enters the lens module. The flange has a height that varies in a direction from the input aperture to an outer edge of the flange. The actuator module is configured to rotate the lens module around axes orthogonal to the optical axis with respect to the camera housing.

An objective optical system including a first lens and a second lens that are arranged in this order from an object side along a main optical axis, wherein the first lens has a partially spherical shape having a first flat surface, the second lens has a partially spherical shape having a second flat surface, the first flat surface is disposed on a side of the object and is inclined with respect to the main optical axis, and the second flat surface is disposed on an opposite side which is opposite from the side of the object and is perpendicular to the main optical axis.