A high brightness light engine apparatus is disclosed, comprising at least one long red wavelength light source with a peak wavelength longer than 630 nm, at least one green wavelength light source and at least one blue wavelength light source. Furthermore, the long wavelength red light may be combined with short wavelength red light and green/blue lights into a co-axial light path by at least one beam combiner such as wedged dichroic mirror, X-plate dichroic mirror or a dichroic X-cube. A 3-channels/4-channels/5-channels light engine apparatus and a hybrid laser LED light engine apparatus are disclosed that comprises at least a long wavelength red light source, one blue light source, and one converted green light source, combined by a dichroic mirror together with a X-plate dichroic mirror, a wedged dichroic mirror or a dichroic X-cube without Etendue increase to achieve high brightness light engine output as high as 5000 lm.

The present invention relates to a photodetector array for capturing image data, comprising: photodetector cells arranged on a substrate, each including a single-photon avalanche diode, wherein the active areas of the photodetector cells are neighbored along a hexagonal grid; microlenses, having a hexagonal or circular shape, each arranged on one photodetector cell to focus light onto the photodiode.

Apparatus include a plurality of laser diodes configured to emit respective laser diode beams having perpendicular fast and slow beam divergence axes mutually perpendicular to respective beam axes, and beam shaping optics configured to receive the laser diode beams and to circularize an ensemble image space and NA space of the laser diode beams at an ensemble coupling plane. In selected examples, beam shaping optics include variable fast axis telescopes configured to provide variable fast axis magnification and beam displacement.

A printer includes: a head; a lamp; a condenser lens; a platen; and a lamp cover. The head is configured to eject a light-curable ink onto a printing object. The lamp is movable relative to the printing object in a main scanning direction, and is configured to emit light to irradiate the printing object. The condenser lens is configured to focus the light emitted from the lamp. The platen is configured to support the printing object and to move in a sub scanning direction relative to the head. The lamp cover has translucency, and includes one end portion and the other end portion in the sub scanning direction. Each of the one end portion and the other end portion has an adjustment part. The adjustment part is configured to adjust the light transmitted through the lamp cover by blocking part of the light or diffusing the light.

Systems and methods are provided for a UV-VIS spectrophotometer, such as a UV-VIS detector unit included in a high-performance liquid chromatography system. In one example, a system for the UV-VIS detector unit may include a first light source, a signal detector, a flow path positioned intermediate the first light source and the signal detector, a second light source, and a reference detector. The first light source, the signal detector, and the flow path may be aligned along a first axis, and the second light source and the reference detector may be aligned along a second axis, different than the first axis.

In accordance with an example embodiment, a laser arrangement is provided, the laser arrangement comprising a light source for generating light output; a collimator assembly for collimating the light output from the light source into a pump beam; an optical resonator assembly for generating pulsed output beam based on the pump beam directed thereat; and a beam displacement assembly for laterally shifting the pump beam to adjust the position at which the pump beam meets a surface of the optical resonator assembly.

A levelling laser for generating a laser projection line on a surface is disclosed. The levelling laser includes an optical projection lens with a three-dimensional lens surface. The projection lens can be described in a three-dimensional coordinates system having three axes, X, Y and Z, arranged orthogonally to one another. The Z-axis coincides with the optical axis of the projection lens. The lens surface of the projection lens has a shape with a surface inclination angle rising monotonically along the X-axis. A corresponding projection lens is also disclosed.

A color mixing lens assembly is provided. The color mixing lens assembly may include an optic arranged about a light source and a ring reflector. The ring reflector may be arranged within the optic. In this configuration, the ring reflector is configured to reflect the first portion towards a surface of the optic. The optic may be configured to reflect the first portion through an exit plane of the optic, and to reflect a second portion of the electromagnetic radiation through the exit plane. Alternatively, the ring reflector may be arranged around the optic. The optic may further include a kick surface configured to reflect the first portion of the electromagnetic radiation toward the ring reflector. The ring reflector may be configured to reflect the first portion through an exit plane of the optic. The optic may be configured to reflect a second portion of the electromagnetic radiation through the exit plane.

To provide a laser irradiation apparatus which suppresses adhesion of foreign matters to an optical element, a laser irradiation device includes: emission optical systems, which form a beam in which laser light generated by a laser oscillator converges on a predetermined beam spot, and continuously change an irradiation direction or the like of the beam; and a protective member which is arranged between the emission optical system and the beam spot, and protects the emission optical system from foreign matters scattered from an irradiation object side, and the protective member has an aperture through which the beam passes and moves in connection with a change of the irradiation direction or the like of the beam so that the aperture is positioned on a path of the beam.

An optical assembly for an analyzer instrument for analysis of elemental composition of a sample using optical emission spectroscopy includes: an exciter generating an excitation focused at a target position to produce optical emission from the sample; and an optical arrangement including a light collection arrangement transferring the optical emission from the target position to a detector assembly's detector interface. The light collection arrangement includes: an off-axis parabolic light collecting mirror including an aperture, a lens arrangement including converging and diverging axicon lens portions, the lens arrangement positioned so its optical axis is parallel to that of the light collecting mirror and intersects a surface of the light collecting mirror at the aperture, and an off-axis parabolic focusing mirror having its focal point at the detector interface, the optical axis of the lens arrangement being parallel to that of the focusing mirror and intersects the focusing mirror's surface.