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Open Source Software

Bitplane (Belfast, Northern Ireland) announced that its proprietary IMS file format would become Open Source. The IMS file format is based on Hierarchical Data Format (HDF5), which is designed to work with huge multidimensional data and is optimized to allow extremely fast visualization of huge volume data. To facilitate this, the format stores not only the original image data but also lower resolution versions of the original data. This allows the visualization software to load the resolutions which match those of the screen.

Posted in: Products, Photonics

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Spectral Test Station

The McPherson (Chelmsford, MA) Spectral Test Station (STS) is for wavelength testing and calibration from LWIR to 200 nanometers and less. It is for sensor testing, process control, and calibration.

Posted in: Products, Photonics

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Area-Scan Cameras

JAI (Glostrup, Denmark/San Jose, CA) has expanded its Spark Series of industrial area-scan cameras with two new models: Spark SP-12000C-CXP4 and Spark SP- 12000M-CXP4 (color camera and monochrome camera, respectively).

Posted in: Products, Photonics

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Using Radiation-Hardened Optoelectronic Devices

Optoelectronic components must be protected from the radiation they are exposed to in military, space and nuclear environments to prevent malfunction and damage. Radiation hardening electronics makes them resistant to this damage by letting them retain characteristics, and keeps imaging and electrical performance consistent with pre-radiation values. This is especially critical for components used in applications like a satellite or a nuclear reactor that cannot be accessed and must work properly for many years.

Posted in: Articles, Features, Photonics

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How Quantum Dots and Ultra HD Are Changing the Way TV Displays Are Made

Chances are you’re familiar with HDTV. Most of us have one of these in our living rooms. In fact, according to a recent study, more than 80% of US residents probably have at least one HDTV in their homes. And there’s a good possibility these sets are LCDs. They may be a few years old but they’re thin, look great hanging on the wall and basically do their job well. Some of these HDTVs also have 3D capabilities but the required glasses have long been lost to the couch cushions or the dog ate them or they just never made it out of the packaging due to lack of content support by broadcasters.

Posted in: Articles, Features, Photonics

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Product of the Month: Multi-Functional Goniometer

Lambda Research Corporation (Littleton, MA), the US distributor of opsira metrology equipment and designer and publisher of illumination and optical design software, has introduced the robogonio from opsira. The robogonio is the first robot-driven, multi-functional goniometer that incorporates six-axis measurement of angular-dependent photometric and radiometric parameters to combine the advantages of different conventional goniometer types into one device.

Posted in: Products, Products, Photonics

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Understanding Lens Design Limitations

By understanding lens design limitations, it can be much easier to select the right combination of components in order to optimize an imaging system. Edmund Optics, Barrington, New Jersey Every lens has an absolute upper performance limit dictated by the laws of physics. This limitation is controlled by the working f/# of the lens and the wavelength( s) of light that pass through the lens. Known as the Diffraction Limit, this limitation is given in line pairs/mm and determines the theoretical maximum resolving power of the lens. Even a perfect lens that is not limited by design will be diffraction limited. This limit is the point where two Airy patterns are no longer distinguishable from each other. To calculate the diffraction limit, a simple formula that relates it to the f/# of the lens and the wavelength of light can be used. (See Figure 1)

Posted in: Briefs, Optics

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