Understanding the Magnification and Objective Lens of my ... - magnification of objective lens
Something we take for granted in electronic imaging is the radial resolution, or "star," target. Ideally this target shows lines heading smoothly towards the ...
Lasers are widely used in many areas of technology. In industry the high power and narrow beams available have led to applications in materials forming, joining, machining, heat treating and marking. Lasers are extensively used in the manufacture of semiconductor elements and devices. The monochromaticity of laser radiation has opened up new areas in chemistry, through the use of laser radiation to modify chemical reactions and separate isotopes. In communications, lasers are used as optical transmission links, often through optical fibres.
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Jun 8, 2022 — A macro lens is a specialist lens that allows you to get very close to your subject and record its details. Unlike other types of lenses, macro ...
LightPath Technologies
Edmund Optics® (EO) is a leading producer of optics, imaging and photonics technology for R&D, electronics, semiconductor, pharmaceutical, biomedical and ...
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Magnifying spectacles for near and intermediate distance consist of two sets of magnifying lenses where the space between the two can be adjusted to alter ...
Maser emission was first demonstrated in 1954 by J.P. Gordon, H.J. Zeiger and C.H. Townes at Columbia University. Arthur L. Schawlow, a graduate of the University of Toronto, and Townes proposed a technique for obtaining laser emission in a paper published in 1958. Operation of the first laser was reported by American physicist Theodore Maiman in 1960. This device had a ruby crystal medium.
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ISP Optics Corporation is a vertically integrated manufacturer offering a full range of the infrared products from high performance MWIR and LWIR Lens Assemblies to catalog and custom infrared optical elements. Our infrared IR Lens Assembly product line includes dual FOV and fixed focal length lenses for cooled and uncooled cameras including designs targeted for light weight and compact models. ISP Optics manufactures in-house precision optical components including spherical, aspherical and diffractive coated IR lenses. In addition to our built-to-print optical elements product line, we also offer custom optomechanical assemblies, coatings and diamond turning services along with IR catalog optics. We manufacture optics from various infrared crystals such as: Ge, Si, ZnS, ZnSe, CaF2, GaAs, BaF2,IG2, IG4, IG5, IG6, Amtir, GASIR and others. FTIR materials are grown in-house including NaCl and KBr to manufacture build-to-print optical elements for the FTIR market and KBr lenses for wideband imaging applications. Our manufacturing processes utilize CNC grinding, diamond turning, continuous and conventional polishing, optical contacting, advanced coating and design technologies to deliver consistent top quality solutions that serve the growing industry demands with an unwavering commitment to our world-wide customers.
Mar 24, 2022 — Microscopes come in all shapes, sizes and types. The basic function of a microscope is to look at objects that can't be seen with the naked ...
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LightPathoptics
Laser (light amplification by stimulated emission of radiation), device used to generate high-intensity light. Unlike light from conventional sources, which is emitted incoherently (ie, light waves are unsynchronized or scattered) and over a range of frequencies, laser light is coherent (waves move in unison) and monochromatic (of a single colour/frequency). The frequency of the light emitted is determined by the nature of the atoms and molecules making up the laser medium. The maser is a similar device that emits coherent radiation at microwave frequencies. The 3 major components of a laser are the laser medium, an optical cavity for producing feedback (eg, pairs of mirrors), and a means of exciting the laser medium, thereby increasing the energy level (excitation) of the constituent atoms and molecules (eg, a flash lamp).
The science of holography, the generation of 3-dimensional pictures, has expanded with laser development. In medicine, lasers are routinely used in eye surgery and, in the case of the carbon-dioxide laser, as a scalpel in various surgical techniques. Optical lasers, used to read the digital information on compact discs, have revolutionized the home audio industry. The ability of a laser to project a beam of light over vast distances has resulted in the use of lasers for remote sensing of atmospheric pollutants. Several studies are proceeding in which very high-power lasers are being used in an effort to achieve nuclear fusion.
The first gaseous laser, demonstrated in 1960, used a mixture of helium and neon as the laser medium and had an output power of 15 milliwatts. In 1960 John C. Polanyi, working at U of T, suggested a new type of laser based on the exchange of molecular vibrational energy in a gas. In 1964 this suggestion led to the development by C.K.N. Patel of the carbon dioxide laser, which operates in the infrared. Carbon dioxide lasers are the most powerful CW lasers available, with outputs of up to 100 000 W. An important advance in carbon dioxide laser technology, made in 1970 by A. Jacques Beaulieu, a scientist at the Defence Research Board laboratory in Valcartier, Qué, allowed these lasers to operate efficiently under pulsed conditions and has resulted in many new industrial applications for these devices. A recent advance permits pulsed operation using a mixture of halogen and inert gases (eg, fluorine and krypton). These excimer lasers operate in the ultraviolet with a combination of high-pulse energy and rapid repetition rate.
Collimated beam shaper and collimated diffuser is your solution for applications requiring a wide working distance range or an extended depth of focus.