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Light Bending Material Facilitates Search for New Particles

Particle physicists have a hard time identifying all the elementary particles created in their particle accelerators. But now researchers at Chalmers University of Technology have designed a material that makes it much easier to distinguish the particles.

Posted in: News

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Scientists Find Novel Way to Improve Laser Performance

Energy loss in optical systems, such as lasers, is a chief hindrance to their performance and efficiency and it occurs on an ongoing, frustrating basis. To help laser systems overcome loss, operators often pump the system with an overabundance of photons, or light packets, to achieve optical gain. But now, scientists from the School of Engineering & Applied Science at Washington University in St. Louis have shown a new way to reverse or eliminate such loss by, ironically, adding loss to a laser system to actually reap energy gains. In other words, they've invented a way to win by losing.

Posted in: News

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1550 nm Pulsed Laser Diode

OSI Laser Diode, Inc. (LDI) (Edison, NJ) has introduced a 1550 nm pulsed laser diode with an integrated micro lens that delivers a far‑field beam pattern. The beam pattern's divergence is equivalent in both the Fast (perpendicular) and the Slow (parallel) axes of emission. The CVLL 350‑CL90 pulsed laser diode beam divergence (FWHM) is 8 x 8 degrees. The adjusted Far Field pattern offers high coupling efficiency when used with standard spherical lens systems. LDI's new device is RoHS compliant and operates in wavelengths ranging from 1530 nm to 1580 nm, with 1550 nm typical. The operating temperature is 25 degrees C, the pulse width is typically 150 nanoseconds, frequency is 5kHz, the drive current is at 75 W, and peak power is at 22 W.

Posted in: News, Products

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3D Printed Rapid Tools for Injection Molding

Creating injection molds may be costly and inefficient when it comes to small batch manufacturing. 3D Printing has made it feasible to quickly create custom injection molds that produce low volumes of parts in the final production plastic.

Posted in: On-Demand Webinars

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Would you eat 3D-printed food?

This week's Question: A startup company, Natural Machines, has introduced a 3D printer called Foodini. The technology creates food with stainless steel capsules and edible, fresh ingredients. The microwave‑oven‑sized Foodini, displayed during Dublin's Web Summit technology conference last week, serves as a miniature food manufacturing plant. The company is currently working with major food manufacturers to create pre‑packaged plastic capsules that can be loaded into the machine. At present, the device only prints the food, which must be then cooked as usual. A future model, however, will also perform the preparation and produce ready‑to‑eat food. What do you think? Would you eat 3D‑printed food?

Posted in: Question of the Week

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White Light LED Source

Excelitas Technologies Corp. (Waltham, MA) recently announced the X-Cite® 110LED, a new compact white light LED source for fluorescence imaging applications. Using liquid light guide coupling, X‑Cite 110LED delivers broad‑spectrum optical power with exceptional field uniformity at the specimen level via manual, personal computer (PC) and TTL control. An electronic shutter provides fast, sub‑millisecond operation enabling precision in vibration‑sensitive imaging experiments. Providing excitation for DAPI, GFP, mCherry, Cy5 and other commonly used fluorophores, the X‑Cite 110LED is suitable for use on compound or stereomicroscopes. The instant LED on/off capability minimizes photobleaching and phototoxicity in specimens while offering ultra‑fast PC control and TTL triggering. www.excelitas.com

Posted in: Products

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Single Photon Counting Modules

Laser Components' (Hudson, NH) COUNT® single photon counting modules (SPCM) achieve a quantum efficiency of over 70% in the red region and a significantly higher quantum efficiency in the blue spectral range. In addition, these modules are perfectly suited for measurements across the entire wavelength range from 400‑1000 nm. Laser Components has reduced the dead time of the COUNT® photon counters down to 42 ns — the previous dead time was 55 ns. This results in a maximum count rate of more than 23 MHz. In addition, the tolerance range of the supply voltage has increased. This allows the COUNT® module to react less sensitively to voltage peaks and small deviations in the supply voltage. The detectors are operated at 12 V. www.lasercomponents.com/de-en/product/single-photon-counting-modules/

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