Features

Intensified CCD Camera

Hamamatsu Corporation (Bridgewater, NJ) has introduced the C10054 series of compact Intensified CCD (ICCD) cameras for capturing still images or continuous video of high-speed or ultra-low-light phenomena. Key features include a high-speed electronic shutter that provides a shutter time as short as 5 ns, and image intensifiers that increase available light for detection by the camera’s CCD. Spectral response of the camera ranges from UV to visible to near-infrared. The camera head is equipped with either a TV format-type CCD or a progressive scan CCD and image resolution is up to 480 TV lines. The C10054 is available with three different types of photocathodes.

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12-bit CCD Camera System

The electron multiplication 12-bit CCD camera system from The Cooke Corporation (Romulus, MI) has a resolution of 1004 × 1002 pixels and is suitable for extreme low-light camera applications. The system features thermo-electrical cooling of the image sensor (down to -45°C vs. ambient) and a quantum efficiency of up to 65%. A high-speed serial data link connects the system to a PC and a fiber optic link is available. Exposure time modes (software selectable) range from 75 μs – 1h.

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LED Driver Boards

Two new Smart ForceTM LED driver boards from Endicott Research Group (Endicott, NY) provide wide range dimming, wide input voltage, and full brightness. The SFDL Series driver board provides high efficiency power with a maximum current of 180 mA, and measures 1.10 in. by 3.93 in. The SFDC Series driver board is a full-function LED driver with a maximum current of 1000 mA. It measures 1.10 in. by 5.61 in. and provides an on-board PWM dimming ratio of 1000:1 and external PWM dimming to a ratio of 20,000:1. Both drivers can be used with OEM panels’ existing LED backlights or with ERG’s Smart Force LED rails.

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Digital Panel Meters

Mouser Electronics, Inc. (Mansfield, TX) has expanded its C&D Technologies portfolio to include the DMS-30DR series daylight-readable digital panel meters. The DMS-30DR series of large, 0.56-inch high, super-bright red LEDs are readable in direct sunlight without the need for special filters or shading devices. These devices can be used in very high ambient light conditions, but can also dim themselves for poorer light. Characters on the DMS-30DR series can be read at viewing angles of up to 180° in both vertical and horizontal planes.

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CO2 Lasers

A new series of low-power, continuous-wave (CW) CO2 lasers from Coherent, Inc. (Santa Clara, CA) now offers high reliability operation for OEM applications. The new DIAMOND C Series consists of sealed lasers with output powers of 30, 40, 55, and 70 watts at 10.6 μm. The lasers offer amplitude stability of ±5% for air-cooled models and ±3% for liquid-cooled units. The DIAMOND C Series also offers output beam characteristics of M2 < 1.2 for 30W and 55W systems, and M2 1.3 for 40W and 70W models.

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Printed Flexible Solar Cells Provide Embedded Renewable Power

In the effort to produce inexpensive, easily manufactured sources of sustainable, renewable power, solar cells continue to be a major focus — particularly flexible solar cells that can be applied directly to surfaces. Flexible solar cells are nothing new, but the methods by which they are made have progressed significantly in recent years.

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Performance of 1mm2 Silicon Photomultipliers

A silicon photomultiplier (SPM) is a new type of semiconductor detector that has the potential to replace the photo- multiplier tube (PMT) detector in many applications. In common with a PMT detector, the output of an SPM is an easily detectable current pulse for each detected photon and can be used in both photon counting mode and as an analogue (photocurrent) detector. However, the SPM also has a distinct advantage over PMT detectors. The photon-induced current pulse from a PMT varies greatly from photon to photon, due to the statistics of the PMT multiplication process (excess noise). In contrast, the current pulse from an SPM is identical from photon to photon. This gives the SPM a distinct advantage in photon counting applications as it allows the associated electronics to be greatly simplified. Identical pulses also mean that the SPM can resolve the number of photons in weak optical pulses, so-called photon number resolution. This is critical in a number of applications including linear-optics quantum computing.

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