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With 59 Gratings-related patents, OFS is a leader in the creation and production of fiber Bragg gratings. We offer a full array of FBG types, such as Stablizer gratings, High Reflector Gratings, Wide Band gratings, Long Period gratings, and Fiber Arrays. We’ve developed capabilities for write-through coatings, where the acrylate does not need to be stripped from the fiber in order to write a grating, and we’ve recently developed the ability to write gratings in high-temperature fibers coated with our proprietary high-temperature PYROCOAT™ polyimide.
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Holographic gratings for spectroscopic application.
Grating constants of up to 4000 lines/mm can be produced. Dimensions of up to 60 mm apertures with active optical wavelengths from 200 nm to 800 nm are available. These gratings show high performing surfaces with very precise line shapes and transmission for better spectral performance.
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As pioneers in the online monitoring of high power lasers, Gentec-EO brought you the benefits of holographic sampling without the vulnerability of the coatings usually used to make holographic components. Holographic sampling means you get spatially accurate samples of the beam, from as much as 10% to as low as 10-8% of the incident power. It means you get multiple samples at the same time. It means that the polarization in the samples is accurately preserved. It means that more than 99% of the beam continues straight through the HBS to your application. It means that vibration, temperature and humidity will not affect your measurement. Because of our proprietary and unique fabrication process, you get all this with a damage threshold as high as that of the bare fused silica itself!
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This type of grating is the holographic counterpart of the classically ruled concave grating, invented by Rowland in the 19th century. The Rowland grating has straight grooves which are equally spaced along a chord of the concave surface.
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HORIBA Jobin Yvon's specialty gratings are found in cutting-edge scientific applications including ultrafast lasers, space flight instruments, astronomy, and synchrotron spectrometers. In addition, our high-volume replicated gratings are used in OEM instruments including spectrophotometers, bioanalyzers, and colorimeters. HORIBA Jobin Yvon's gratings for high volume OEM instruments can be found in our OEM Gratings catalog, while this catalog focuses on diffraction gratings for scientific and research applications.
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Fiber Bragg Gratings (FBGs) have quickly established themselves as one of the key enabling technologies behind the 'DWDM Revolution'. EDFA gain-equalising filters, WDMs and add-drop multiplexers, created as periodic variations in the refractive index of the core of the fiber itself, have all played their part in delivering almost unlimited bandwidth - and in accelerating the transition of the entire telecommunications industry from a digital electronic to a digital photonic world.
FBGs can also be used in the fabrication of optical strain and temperature sensors, with quasi-distributed measurements possible using gratings written sequentially into a continuous length of fiber.
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The rapid increase in the demand for greater transmission capacity, DWDM has emerged as the key transmission technique. There is continuous pressure to increase the number of DWDM channels and this in turn calls for improved performance from the passive multiplexing components.
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Laser tuning gratings are holographic gratings specially designed for wavelength tuning of lasers, such as dye lasers, Ti-sapphire, or external cavity diode lasers. The groove depth is optimized to yield maximum efficiency for one state of polarization.
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The gratings are holographically recorded with two highly collimated, clean and homogeneous beams, which give straight and equispaced grooves. The diffracted light from these gratings is free from ghost spectral lines. The randomly scattered light is as low as that from a good front surface aluminium mirror.
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These gratings are especially suited for use in laser pulse compression experiments. High diffraction efficiency, in combination with good spectral quality and high damage resistance makes these gratings useful in all kinds of laser pulse applications; both pulse compression using optical fibre grating pairs, and for amplification of pulses with chirped pulse amplification.
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Spectrogon manufacture high quality, holographically recorded, blazed profile gratings specifically for use in the UV region of the spectrum. These gratings are available in a range of groove densities between 300-2400 gr/mm. All are nominally blazed at 220 nm in the Littrow configuration. The processes used to manufacture these UV gratings were developed for use in making gratings for the soft x-ray region (1-10 nm) and are therefore designed to have very low stray and scattered light.
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The most common use of magnets in the plastic industry is magnetic separators.
Main applications:
Traps metals before they reach the extruder
Filters metals from raw material.
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A tube magnet is constructed of cylindrical permanent magnets contained within a stainless steel tube. The magnetic elements can be ferrite or ‘Rare Earth’. Rare Earth magnets develop very high magnetic field strengths and gradients enabling the extraction of the very smallest particle of iron or rust. Tube Magnets are very versatile and suitable for use with either dry or wet materials. A Tube Magnet can be used singly for quality control purposes or in multiples within a process, or built into magnetic traps for liquid lines or into grates for dry processes.
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With 59 Gratings-related patents, OFS is a leader in the creation and production of fiber Bragg gratings. We offer a full array of FBG types, such as Stablizer gratings, High Reflector Gratings, Wide Band gratings, Long Period gratings, and Fiber Arrays. We’ve developed capabilities for write-through coatings, where the acrylate does not need to be stripped from the fiber in order to write a grating, and we’ve recently developed the ability to write gratings in high-temperature fibers coated with our proprietary high-temperature PYROCOAT™ polyimide.
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Fiber Bragg Gratings (FBGs) have quickly established themselves as one of the key enabling technologies behind the 'DWDM Revolution'. EDFA gain-equalising filters, WDMs and add-drop multiplexers, created as periodic variations in the refractive index of the core of the fiber itself, have all played their part in delivering almost unlimited bandwidth - and in accelerating the transition of the entire telecommunications industry from a digital electronic to a digital photonic world.
FBGs can also be used in the fabrication of optical strain and temperature sensors, with quasi-distributed measurements possible using gratings written sequentially into a continuous length of fiber.
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The rapid increase in the demand for greater transmission capacity, DWDM has emerged as the key transmission technique. There is continuous pressure to increase the number of DWDM channels and this in turn calls for improved performance from the passive multiplexing components.
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A High Quality Standard in Rolling Shutter Construction through Know-how and Competence
Hörmann has focused on quality right from the outset. In product development, manufacture and equipment. This high standard gives you the assurance you need to make the right decision.
All the essential shutter components, such as profiles, side guides, brackets and fittings are developed and produced by Hörmann - not bought in from here, there and everywhere. All the structural components and equipment for each shutter are calculated on a job-oriented basis
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Grid magnet for bulk materials
Permanently magnetic grid magnets can be supplied in circular, rectangular or square format and are therefore universally applicable. Ferrous particles are filtered out from bulk material as they pass through the magnetic grid.
Advantages
Powerful magnets remove even low magnetised stainless steel particles from the product flow.
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Product Purity for free flowing materials Protect your processing equipments.
Jupiter Permanent magnetic Grids are designed for product purity for free flowing materials such as carbon black, drugs, chemicals, food products, grain, spices, salt and plastics. The Magnetic Grids are guard your processing machinery against dangerous tramp iron. These units are easily installed in any hopper or floor opening, chute or duct.
Wing Type and Drawer Type Magnetic Grids are available in Single Bank and Double Bank models.
Features:
- Tramp and Fine iron removal from hoppers, Floor Openings, Chutes and Ducts.
- Efficient, cost saving recovery of harmful tramp and fine iron.
- Magnet collection tubes are easily removed for cleaning.
- Available in 1 inch and 1-1/2 inches magnetic tubes.
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Range of mouths of extraction covering with the air flows from 15 to 60 m3/h and the whole of the Bi-flows for kitchen and medical. Composed of a technical turntable, a regulator and a white hermetic PVC hull with partly high slit and removable frontage being able to be painted. Available without barrel for the restoration (four modes of fixing) or with barrel 125 mm in diameter in new installation. Declined in standard model mono-flow or Bi-flow and model with manual, electric regulator flexible time-lag or electric ON/OFF, limited to 160 m3/h in peak output.
FEATURES
Air flow: 15 20 30 45 or 60 m3/h (medical); 20 75,30/90,45/105 to 135 m3/h (Bi-flow cooks).
Dimensions stops medical (L X.X p): 154 X 162 X 91 or 94 mm (with or without barrel).
Dimensions stops kitchen (L X.X p): 168 X 225 X 95 or 101 mm (with or without barrel).
Diameters was Ø: 100,116 or 125 Misters.
Color: white.
Aeraulic operating range: 50 to 160 Pa.
Implementation: mural fixing by fitment (with barrel of Ø 125 mm in nine) with sealing and plating ensured by joint (Roll' in); adaptation on all existing connections by rigid conduit, flexible connection (RT Flex), male cuff or with shoulder, by screwing or clipsage.
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Pipe fitting of ventilation ensuring aeraulic continuity between the column of origin and the mouth. Composed of a metal connection female, an extensible flexible device aluminum, an end and a plastic cuff of connection to the mouth and maintenance in the plasterboard (13, 15 or 18 mm). Dismountable solution for maintenance. For prickings and the mouths 125 mms in diameter. Proposed in two beaches from length, 10 to 30 cm or 30 to 120 cm.
FEATURES
Dimensions (Ø X L): 12,5 X 10 to 30 cm; 12,5 X 30 to 120 cm.
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Description
The DynoSense 300 is a high scan rate interrogation system for monitoring Fibre Bragg Grating sensors. The system is a result of a joint development between XenICs and FOS&S.
The DynoSense 300 can monitor up to 40 FBGs and supports three function modes:
Wavelength mode: in this mode the wavelengths of the different FBGs are recorded as function of time at a scan rate of 3,3 kHz
Spectrum mode: this mode allows to visualize the complete optical spectrum and is for instance of interest for diagnostics of the sensing network
Fast Fourier Transform mode: in this mode the FFT of the recorded wavelength signals is online processed
The system can be controlled with a standard PC via Camera Link or Gigabit Ethernet.
Features
- High scan rate: 3.3 kHz
- Broad wavelength window: 1520-1580 nm
- Easy user interface
- Integration time can be software controlled allowing adjustment of measured optical intensity range
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