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TECHNOLOGY PRODUCTS Lenses and optics


Short-wave infrared is filtered for improved performance


Optics Balzers Jena is offering customised all-dielectric band-pass filters for the short wave infrared spectral region with a unique self-blocking filter design. All filters are deposited by in-situ monitored plasma-assisted sputter and evaporation processes. They combine a wide blocking range and high pass-band transmittance in a single all-dielectric interference coating. Short-wave infrared (SWIR) optical sensing applications in the spectral region between 900 and 3000nm require band-pass filters with high transmittance in the pass band, blocking ranges over full detector response. Potential application fields are optical remote sensing, NIR and Raman spectroscopy, blood analysis and atmospheric greenhouse gas monitoring. Optics Balzers Jena is delivering filter and beam-splitter components for the multispectral instrument of EADS Astrium’s Sentinel-2 mission, part of Europe’s Global Monitoring for Environment and Security programme. www.opticsbalzers.com


Plastic Hybrid Acylinder Lenses are one dimensional


Edmund Optics has introduced Techspec Plastic Hybrid Acylinder Lenses providing diffraction- limited focusing performance in only one dimension.


Designed at 587.6nm, the lenses are excellent for visible wavelengths and similar to both aspheric lenses and cylinder lenses. Techspec Plastic Hybrid Acylinder Lenses reduce spherical aberration along the focusing axis. This is ideal for creating precise thin line profiles with broadband sources. The innovative hybrid lens design offers negative optical dispersion and excellent colour correction. They also feature a high numerical


Sputtered coatings get more sensitive


Precision Photonics (PPC) has announced the availability of its ultra-low absorption line of thin film coatings.


Using in-house metrology and ion beam sputtered deposition PPC is able to produce anti- reflection coatings with losses less than 0.5ppm, and high-reflection coatings with losses less than 2ppm.


These losses are achieved with a measurement REGISTER NOW CLEO:2O12


CLEO: QELS–FUNDAMENTAL SCIENCE CLEO: SCIENCE & INNOVATIONS CLEO: APPLICATIONS & TECHNOLOGY


6–11 May 2012


SAN JOSE CONVENTION CENTER San Jose, CA, USA


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38 ELECTRO OPTICS l FEBRUARY 2012 www.electrooptics.com


ADVANCED REGISTRATION DEADLINE: 19 MARCH 2012


aperture that allows the lenses to be used with divergent light sources such as laser diode bars and LEDs. www.edmundoptics.com


sensitivity of less than 0.1ppm for optical materials like fused silica. The sensitivity is attained using photothermal common path interferometry combined with proprietary calibration methods. PPC will also provide measurement services to customers wishing to measure absorption in their own coatings or substrates. Two dimensional mapping of surfaces is also available. www.precisionphotonics.com


LASER SCIENCE TO PHOTONIC APPLICATIONS


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