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Photonics.com Lasers & Laser Systems Technology Newsletter (9/17/2013)

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Bristol Instruments, Inc. - Wavelength Measurement and Spectral Analysis

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High-Accuracy Wavelength Meters
Bristol Instruments, Inc.

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The 621 Laser Wavelength Meter from Bristol Instruments measures absolute wavelength to an accuracy as high as ±0.0001 nm. It provides the reliable accuracy that is needed for the most demanding applications because it is continuously calibrated with a built-in frequency standard. The result is greater confidence in your experimental results anywhere from the visible to the mid-IR.

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Laser Spectroscopy Overcomes Measurement Challenge
A "remarkably simple" approach overcomes the challenge of measuring key aspects of electron behavior while designing ever-smaller components, something that could allow cellphones, laptops and tablets to get increasingly thinner and more energy efficient.

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Raman Overcomes Challenges for Industry
Raman spectroscopy is becoming increasingly prevalent in commercial applications. Challenges include making remote measurements of chemical species in high-pressure or high-temperature environments while customers demand compact instrumentation with ever-greater sensitivity. These obstacles require new approaches such as fiber-coupled spectrometers with greater throughput.

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Nanoantennas improve infrared sensing
Nanoantennas with “slots” that correspond to mid-IR wavelengths are a new way to tune IR light into mechanical action – which could lead to more sensitive IR cameras and more compact chemical-analysis techniques.

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Bioimaging Laser Branches Out to Bomb Detection
A method originally developed for biomedical imaging puts the possibility of bomb-detecting lasers at security checkpoints within reach.

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Laser-Based Tool Tells Normal Tissue From Tumors
A new laser tool can microscopically distinguish between normal and cancerous brain tissue in real time. Since it doesn't miss cells that could trigger new tumor growth, the method could make brain cancer surgery much more effective.

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