Flir midwave infrared mwir fpas are available in 320x256, 640x512 and 1kx1k pixel arrays. Fabrication of microlens array and its application. As a standard option, we offer a hexagonal array of 127 microlenses with a focal distance of 18 mm and a pitch of 300 m, mounted in a cmount. These microlens arrays are manufactured using photolithographic techniques based on semiconductor processing technology. Standard components such as posts, rails, translation stages, and optic mounts are available alongside a diverse offering of lens tubes and cage systems. Optomechanics, optics, optoelectronics, laser diodes, fiber optics and ase test. When multiple infrared led rounds the camera lens, brightness of the stack part will be particularly high, and also composed of one circle. This includes highperformance cameras, boardlevel cameras, custom camera housings, or software. Singlelens 3dcamerawithextended depthoffield christian perwa. Tunable liquid microlens arrays actuated by infrared light. The microlenses have a planoconvex shape and are arranged in a square grid with a lens pitch of 150. Dcc1545m, dcc3240 series, dcc3260 series, dcc1645c, dcu224 series, dcc1240 series. Damage threshold data for thorlabs molded ir aspheric lenses.
This link is part of my commitment to building a company that achieves its competitive advantage from its connection to community. Our optical lenses are offered with a variety of substrates, including nbk7, uv fused silica, calcium fluoride, magnesium fluoride, zinc selenide, germanium, and silicon. Thorlabs extensive line of optical lenses includes spherical, achromatic, aspheric, and cylindrical lenses, both with and without antireflection coatings deposited on the surfaces. Kits include seansor head assembly with additional 300 m microlens array. Design, fabrication and testing of microlens arrays for. A doublet microlens array for imaging micronsized objects.
Lens arrays microlens arrays knight optical ir optics. The masters are offered in fused silica and nickel. Fabrication limits for diameter, numerical aperture and packing density the minimum lens diameter is limited by standard photolithography to 12 m. Sep 21, 2011 we present a highnumerical aperture, doublet microlens array for imaging micronsized objects. Polymer replications with convex and concave lens arrays can also be provided. Design, fabrication and testing of microlens arrays for sensors and microsystems ph nussbaumyx,rvolkel.
Micro lens array with size of 40 m, cylindrical and. Thorlabs uc480 ccdcmos cameras supporting files python. Factors impacting accuracy are elaborated on below. We also have a wide selection of microlens standard stamps. Optical elements this is thorlabs selection of nonpolarizing optical elements for manipulating light in the uv, vis, nir, ir, and thz spectral regions. Investigation of achromatic micro polarizer array for. The sm2nfm fmount to sm2 adapter allows fmount lenses to be used with sm2threaded 2.
Because of the focusing action of the micro lens, the crosstalk of the diffraction effect will be reduced. The 2011 acquisition of austinbased dvc company, which brought with it a new core competency scientific camera imaging is a clear example of how manufacturing is closely tied to our acquisition strategy. Microlens arrays are the key component in the next generation of 3d imaging system, for it exhibits some good optical properties such as extremely large field of view angles, low aberration and distortion, high temporal resolution and infinite depth of field. Microreplication of optical lenses in glass using a novel. Where to buy microlens arrays, shackhartmann wavefront. The microlenses have a planoconvex shape and are arranged in a square grid with a lens. Micro lens arrays 1 introduction micro lens arrays mlas are a standard tool in wavefront measurements. The throughput of the lens assisted omna was 43% or 3. Thorlabs components is that the user can easily add additional functionalities to the system as their needs evolve over time.
Ccd laser camera objective micro lens array on micropositioner figure 3. When you press your cameras shutter button and the exposure begins, each of these is uncovered to collect photons and store those as an electrical signal. If you have any questions about cameras, or would like to discuss a particular. Micro lens array milling on large wafers more design freedom for micro optics aspheric lenslets with imaging quality micro lens arrays mla containing thousands of lenses with an aspheric shape and a precise position on large substrates are used in sensor devices directly or as master moulds for the lowcost rep.
Schematic diagram of the imaging system to evaluate the micro lenses. They are built as hybrid assemblies and sold as components that are either mounted on 84pin leadless chip carriers, customer supplied substrates, or integrated detector dewar cooler assemblies. The infrared viewers are offered in various versions with spectral responses that cover anywhere from 350 nm up to 2000 nm. For the 2x 5x zoom models, the expansion ratio can be adjusted from the minimum to the maximum. A digital camera uses an array of millions of tiny light cavities or photosites to record an image. View and download thorlabs dcu223 series description and sdk manual online. Optomechanical components thorlabs designs and manufactures highquality mechanics for just about any application. Another example is if the user wishes to incorporate an excitation light source they.
The new technology allows both sides of the micro lens array to be aligned facing one another in the range. Optical lenses thorlabs extensive line of optical lenses includes spherical, achromatic, aspheric, and cylindrical lenses, both with and without antireflection coatings deposited on the surfaces. All single element optical components can be found under the optical elements link with the exception of optical components that have polarization properties since they have a separate link. This measurement is made at each frame rate and is therefore very fast. Damage threshold specifications are constant for all black diamond ir aspheric lenses, regardless of the focal point of the lens. Crystech provide these lenses for different application. Along with the large selection of standard scientific cameras, we also offer customized and oem products. From optomechanical components to telecom test instrumentation, thorlabs extensive manufacturing capabilities allow us to ship high quality, well priced components and devices for nextday delivery. Thorlabs dcu223x operation manual and sdk pdf download. Jenoptik has developed a doublesided polymer micro lens array for this purpose. The asom scan lens is based on a reverse telephoto design and has a 76. Our highpower leds for microscopy, collimated leds, multichannel led sources, and illumination kits are all designed for microscopy applications.
Operating principleclick to enlargeschematic of a microlens array focusing a distorted. Lens depthheight and lens width can be controlled independently, so any parabolic lens shape can be realized on the stamps. Formation of microlens array using femtosecond and co2. Multifunctional micro optical elements for laser beam homogenizing and beam shaping. Thorlabs your source for fiber optics, laser diodes. Looking for downloadable 3d printing models, designs, and cad files. Have you ever noticed the hungry for your thoughts link by the lab snacks icon on our homepage. Fresnel lens array with spatial filtering for passive. A micro lens is a lens with a diameter less than 1mm. A variable diameter iris is placed in the back focal plane of the relay lens, which is itself conjugate to the sample plane. These micro lens arrays are used, for example, to increase the light. By making a set of readings over the entire lens array, and each subsection of ccd detectors, the wavefront of the beam can be deduced.
Thorlabs has extended its core competencies from laser and electrooptics research to the industrial, life science, medical and defense segments, and as an oem manufacturer. Collimation coupling fiberports can be used to provide a stable platform for coupling light into and out of fcpc, fcapc, or sma terminated fiber with five or six directional adjustments. Precision lenses knight optical ir optics photonics lasers. This is achieved by shifting the signals between stages within the device one at a time. Fibre coupled microled array light source with integrated.
We characterized the cylindrical and dome type micro lens array produced with laser fabrication system. Pdf multifunctional microoptical elements for laser beam. Our quantalux, kiralux, and scientific ccd array cameras can be used in microscopy, materials inspection, and other demanding quantitative imaging applications. Micro lenses generally have a diameter less than 1mm. Micro lens array mla with high aspect ratio, precise alignment and great uniformity of focusing are crucial to the integral imaging 3d display systems. It is known that there is a layer of micro lens at the surface of the cmos, and the micro polarizer array is designed to be integrated on the cmos photosensitive chip, in the position between the photosensitive chip and the micro lens. Widefield viewing modules for diy cerna systems thorlabs. Polarizationindependent infrared micro lens array based on allsilicon metasurfaces.
We report the formation of a large variety of domeshape micro lens array with lens size varying from 20. Thorlabs scientific imaging makes it easy to get the camera that you need for a specific application. Scientific camera catalog pdf scientific camera capabilities contact tsi. Microoptics micro lens array milling on large wafers. In this work a fresnel lens array for passive infrared pir motion sensors was designed, fabricated and tested. A microlens array used in conjunction with a ccd array can constitute the core of a shackhartmann wavefront sensor. Thorlabs is pleased to offer the worlds first optical imaging microscope based upon a. They have an ir short pass filter that cuts off transmission above 650 nm. Breadboards have an array of 1420 mounting taps to provide the means to construct customdesigned widefield viewing apparatuses and epiillumination pathways on top of a diy cerna microscope body. In this work, we employed the square micro lens array smla with ideal aspect ratio of 100%, to realize high performance integral imaging 3d display systems. Solution was to build micro optic interferometer in which the test. Flexible optical produces highquality replicated microlens arrays specially for the use with frontsurfer wavefront sensors.
Microlens arrays are fabricated using reflow techniques on resist layers to achieve numerical apertures ranging from 0. A hene laser was transmitted through the micro lens and the beam profile at the focal point of micro lens was acquired with ccd. Thorlabs offers a lens for 35 mm sensor formats that is compatible with nikon fmount cameras. Thorlabs variable magnification galilean beam expanders are available with either a 2x 5x or a 5x 10x continuously variable beam expansion ratio. Once the optic axis of each lens array was aligned to the microneedle axis. The relay lens projects an image of the microlens array apertures onto a chargecoupled device ccd digital camera point grey grasshopper or phantom v7 at unity magnification fig. Microscopes free delivery possible on eligible purchases. The lenses can by spherical, aspheric, cylindrical, and plane with positive power. For more information on thorlabs cmount lenses, please visit. Light emitting diodes leds thorlabs provides a range of unmounted, mounted, collimated, and fiberpigtailed leds that emit in the 245 4600 nm spectral range. Lowcost high integration ir polymer microlens array.
When a perfect beam plane wavefront is sent onto a surface of interest, and the re. The high precision of the lateral array dimensions better than 0. These cameras can record up to 25 fps in freerun mode and over 200 fps with limited area of interest. The proposed doublet architecture consists of glass microspheres trapped on a predefined array of silicon microholes and covered with a thin polymer layer. The highclass lens quality and the exceptional lenstolens uniformity ensure optimum coupling efficiencies for all optical channels in parallel. Within the paper we present the investigation of a micro lens array in a flys eye condenser setup for the. Optical lensmicroneedle array for percutaneous light delivery. The intensity profile of transmitted light through the foil was measured by using a ccd camera with a long depth of focus. The microlens arrays yield exceptionally accurate shaping of the lens profile and precise positioning of the lenses. Lenses have many applications ranging from the simple collection of the scanning of laser beams to precise imaging and image transfer. The specifications to the right are measured data for thorlabs molded ir aspheric lenses. Microlens arrays for sensors and microsystems 621 3. Although many fabrication methods or processes are proposed for manufacturing such precision component. Thorlabs cemented achromatic doublets are optimized to provide excellent performance in the visible region.
Similarly, dometype micro lens array is achieved by femtosecond laser assisted fabrication of periodic micro pillars followed by several times co 2 laser polishing. Fused silica offers excellent transmission characteristics from the uv to the ir. Thorlabs specializes in the building blocks for laser and fiber optic systems. View and download thorlabs dcu223x operation manual and sdk online. The fiber launch platforms are ideal for coupling a free space laser into a single mode, multimode, or polarizationmaintaining fiber. The near infrared contour ir digital camera is designed for. These progressive scan cameras have a resolution of 1280 x 1024. These lenses are usually arranged in, for example, a square array. The upper limit of the lens diameter is determined by the height hc of the resist structure and the contact angle at the rim of the lens. Pdf multifunctional microoptical elements for laser. The fill factor of a microlens array is strongly dependent upon the manufacturing process used to create the array.
Understanding digital camera sensors cambridge in colour. Array infrared technology ensures ccd good working condition, and its usage life is nine times the life of common led infrared cameras. Thorlabs is a vertically integrated photonics products manufacturer, founded in 1989. System overview this systems lens design contains three stages. We present a highnumerical aperture, doublet microlens array for imaging micronsized objects. A chargecoupled device ccd is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, such as conversion into a digital value. Chronis1,2 1department of mechanical engineering, university of michigan, ann arbor, usa 2department of biomedical engineering, university of michigan, ann arbor, usa abstract we propose a novel fluidic assemblybased microfabrication approach for. As seen from the figure below, a planar wavefront that is transmitted through a microlens array and imaged on a ccd sensor will form a regular pattern of bright spots. Thorlabs dcu223 series description and sdk manual pdf download. Our design for the achromatic doublets uses the helium d line 587. Design and fabrication of square microlens array for.