March 2022

פסח כשר ושמח

קישור לחדשות בעברית

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Lasers

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Read the IL Photonics blog on our website for the latest news from our suppliers. We are four for four! For the fourth straight year, Feedspot has selected our blog among the top 20 photonics blogs worldwide. In fact, we have improved from 15th to 11th place!

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❂Lasers

	Part of a project funded by u-Care aims to develop tunable, ultrashort pulses of light in the vacuum ultraviolet (VUV, 100–200 nm) and middle ultraviolet aka deep ultraviolet (MUV/DUV, 200–300 nm) for use in ultrafast spectroscopy, technology, and healthcare applications. The team exploited a phenomenon known as resonant dispersive wave emission using gas-filled hollow-core capillary fibers to achieve this. To download the paper, click here. Such compact tabletop systems can be realized using industrialized pump lasers such as PHAROS system from Light Conversion.
Do you need a precision laser with minimal power, frequency and wavelength fluctuations? Discover why lasers from Access Laser are among the most stable gas lasers on the market and how they operate at a single emission line. To watch Access Laser’s informative video to learn why, click here.
	CNI Optoelectronics (CNI) introduces the photoelectric-integrated MDL-XL laser series. The features are designed to ensure easy integration, high reliability, adjustable focus, good environmental adaptability, and more. The user simply needs to provide a digital modulation signal to synchronize the enable time and disable time of the laser emission. The MDL-XL series module provides stable performance and high reliability. Features of the MDL-XL include: Output power up to 3 W Wavelengths from 375 to 980 nm TTL/Analog modulation up to 10 kHz Selectable enable and disable time with duty cycle up to 20% Focus adjustable Over-temperature protected
A research group at Umeå University produced a laser source with < 4 fs pulse duration and > 5 TW peak power. This device is now the most powerful sub-4-fs laser system in the world. The front-end of the system contains Light Conversion‘s PHAROS and ORPHEUS-OPCPA. The paper detailing this work is entitled, “Utilizing the temporal superresolution approach in an optical parametric synthesizer to generate multi-TW sub-4-fs light pulses,” is available on line in the journal Optics Express.

❂Coffee Discounts for Pesach

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הנחה של 18% לפני פסח 14/4

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❂Optics

	As a leading manufacturer of optical components for high laser-induced damage threshold (LIDT) and ultrafast pulse laser applications, Manx Precision Optics (MPO) constantly expands their product range to offer customers the latest, state-of-the-art components. MPO has developed a line of broadband, low dispersion mirrors (TTMH, TTMP, TTW, TTB and TTS) to provide suitable solutions for all customer applications.
Iridian Spectral Technologies offers all critical filter types for your Raman spectroscopy needs. For the critical spectral separation and detection of Raman scattering at both longer and shorter wavelengths simultaneously, Raman notch filters are a suitable choice. Notch filters block a narrow wavelength range in between the passband regions. They block the laser line and enable high transmittance of scattered light at both the shorter and longer wavelengths for Raman spectroscopy analysis. If the detection of Raman photons is limited to Stokes scattering at longer wavelengths then the light source, Raman edge filters (longpass) and dichroic long pass filters are applicable. These types of filters isolate the Raman signal band at a specific edge wavelength. Further, dichroic filters direct source laser light towards the sample, while a scattered Raman signal from the other direction passes the filter and hits the detector. Raman edge filters are also available as short pass filters to selectively enable anti-Stokes Raman spectroscopy at short wavelengths.

A Flexishaper, developed by Holo/Or in 2020, includes a pair of diffractive optical elements (DOEs) generating a central spot and a concentric ring of laser light. By adjusting the relative rotation angle between the two DOEs, the spatial power distribution between core and ring can be freely adjusted. Properties such as the ring diameter are predetermined by the design of the DOEs. The application of DOE-based beam shaping improves the high-speed welding of foils for bipolar plates used in the fuel cells for electric vehicles. For more information, contact Holo/Or.
Manx Precision Optics has (MPO) released their latest technical note (TN2022-03), which is a white paper entitled “The Cleaning of Optics: An Overview.” This paper provides an overview of the reasons why cleanliness is so important for optics. It explains the ISO standards for cleanliness related to optics production and introduces Manx’s methods to adhere to these standards.
	In the past decade, we all became more aware of the need for green sources of energy, such as solar and wind power, to replace polluting sources of energy, such as fossil fuel and coal. One of the great hopes for this transition is the utilization of the sun’s radiation for production of electricity, solar power. The way to utilize solar power is through solar panels with photovoltaic cells. Top hat beam shapers from Holo/Or have enabled a revolution in the production of solar panels and the optimization of the solar power collection process. For more information, contact Holo/Or.
Thank you to Tony Hallas for capturing this amazing image of Messier 82! Also known as M82, this starburst galaxy is located in the constellation Ursa Major, and is about 12 million light years away. This photo was taken with Chroma Technology’s LRGB and H-alpha astronomy filters. Chroma Technology manufactures the highest quality astronomy filters with durable, sputtered hard coatings using single substrates of the best glass, eliminating the need for laminations. All primary filter coatings are applied on the front surface and anti-reflection coatings on the rear surface to prevent ghosting and to maximize transmission. To see more of Tony’s work on his website, click here.