Application Notes

Principles and Applications of Micro-Nano Optics

micro-nano optics, metalens, flat lens, depth of focus, DOF, field of view, lens, optical lens, focusing lens, imaging lens, imaging optics

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Exploring Metalenses: Principle and Applications

metalens, flat lens, depth of focus, DOF, field of view, lens, optical lens, focusing lens, imaging lens, imaging optics

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What Exactly Is a Metalens?

Metalens is a lens with the ability to focus and capture light signals beyond the diffraction limit. The basic principle is to change the curvature of the lens to achieve the focusing or dispersion of light, via the use of man-made sub-wavelength unit structure in the traditional medium for wavefron

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How to Select a Metalens in Laser Marking System

Metalenses are very suitable for laser processing, as they provide a long depth of focus and can easily and accurately mark and process various non planar objects.

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RTP crystal EO Cells

Our RTP (Rubidium Titanyl Phosphate) electro‐optic crystals can be used for a wide variety ofapplications in industrial, medical, and range-finding. The crystals are transparent from the visible to near infrared laser wavelengths. They can be used under low half-wave voltage for electro-optic

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V-module Digital Micromirror

Our V-modules are fast and flexible with the highest performance class of subsystem for digital light processing (DLP). It enables a rapid launch into application development with short time-to-market period. It offers unique flexibility in controlling micro-mirror and provides efficient

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Laser Mask-Making Technology

Laser Mask-Making TechnologySuccessive generations of semiconductors have necessitated increasingly more advanced technologies to produce the desired densities, speeds and other functions. Optical lithography is, however, still the primary lithographic process for the fabrication of micro-electronic

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Application Notes for Blue+IR Dual-wavelength Laser Welding

Blue+IR Dual-wavelength Laser Welding HeadsInfrared fiber lasers:Low absorption, splash, pores, internal defects, low mechanical properties and conductivity, low productivity.Blue Diode laser:High absorption rate, small thermal impact area, reflected light to the lens and other structures of the hig

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Structure of Laser Marking Head

A laser marking heads consists of the following parts:Galva + driver (board)Mirror + mirror holder (related to wavelength)Control card (marking card) with softwareD/A card (is needed if the output of the control card is digital)F-theta lens (spacer or called adaptor is needed if the space/distance b

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Application Notes: Spatial Light Modulators

3D Mapping of Neural Circuits In Vivo Opens the Window on Neurological Disease

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Lasers for Lithography

Lithography is the transfer of a designed pattern onto a flat surface, either directly or via an intermediate medium - excluding areas of the surface where the pattern is not required. In photomask lithography, where a design is patterned onto a substrate, a laser is used to expose the pattern, allowing deposited material to be etched away, preparing it for further processing. This lithography met

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Precision Microwave Generation

In the last years the demand for ultra-low noise microwave (MW) and radio-frequency (RF) signal sources have gained more and more importance. Standard industrial applications and high-end academic experiments require ever higher precision: Radar systems Defence communications Photonic ADC Ultra-stable clocking Test and measurement Satellite communications Particle accelerators, FELs Coherent commu

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Frequency Combs

FREQUENCY COMBS An optical frequency comb is an optical spectrum consisting of a series of discrete equally spaced lines in the frequency domain. Optical frequency combs can be generated in different ways, but have gained more attraction since the gro

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Lasers for Brillouin

Brillouin Scattering The Brillouin Effect is the inelastic scattering of photons caused by their parametric interaction with thermal phonons. Lasers for Brillouin The Brillouin Effect is the inelastic scattering of photons caused by their parametric i

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Lasers for Interferometry

Interferometry Interferometry refers to a wide range of techniques that rely on the superimposition of two coherent light paths, most often split from a single source, to form an interference pattern. Lasers for Interferometry This interference arises

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Lasers for Flow Cytometry

Flow Cytometry Flow cytometry is a method for the quantitative determination of cellular properties, analysing light incident on a focussed stream of fluid containing a heterogenous population of biological samples. Lasers for Flow Cytometry Cells, or other particles, are individually passed through a light path at high speed while suspended in a tightly focussed stream of fluid, causing an energy

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Two-photon Quantum Interference and Entanglement at 2.1 μm

Shashi Prabhakar, Taylor Shields, Adetunmise C. Dada, Mehdi Ebrahim1, Gregor G. Taylor, Dmitry Morozov1, Kleanthis Erotokritou, Shigehito Miki2, Masahiro Yabuno, Hirotaka Terai, Corin Gawith, Michael Kues, Lucia Caspani, Robert H. Hadfield and Matteo

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The Future of Energy

ITER, the International Thermonuclear Experimental Reactor, is a collaborativeglobal engineering megaproject focused on fusion research and the development of the worlds largest experimental tokamak by 2025. A tokamak reactorconfines and controls the

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Lasers for Quantum Technology

Already many organisations rely on atomic clocks for their most accurate measurements of time and there is a large scale movement to take quantum gravimeters out of the lab and into the field in order to monitor ice sheets and magma flow in volcanoes. The possible applications are widespread. The industrial cost for oil exploration companies to find one leak within thousands of miles of pipe runni

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Lasers for Semiconductor Inspection, Metrology, Optical Manipulation

1. Lasers for Semiconductor Inspectionand Metrology As the complexity on the wafer surfaces grows, it is essential that these fabricated devices are monitored for optimisation and quality control, both during and after processing. Critical parameters

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Lasers for Holography and Imaging

Rather than an image as recorded by standard photography, a holographic image is a record of the difference in phase and amplitude intensities of the two light paths as they arrive at the recording media. The resulting interference image is meaningles

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Lasers for Raman Spectroscopy and Microscopy

When a laser is incident on a sample, most of the photons will be scattered elastically and will not be subject to any energy change, known as Rayleigh Scattering. Raman scattering events are significantly more infrequent, only around 1 in a million

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Optical Isolator

An optical isolator, or optical diode, is an optical component which allows the transmission of light in only one direction. It is typically used to prevent unwanted feedback into an optical oscillator, such as a laser cavity. The operation of the dev

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Fiber Laser Basics

A fiber laser (or fibre lase) is a laser in which the active gain medium is an optical fiber doped with rare-earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, thulium and holmium. They are related to doped fiber amplifiers, which provide light amplification without lasing. A fiber laser with MOPA configuration is shown as follows: Pump laser diode: Fiber-coupled diodes

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