New Products

Photonics & Imaging Technology INSIDER

Ultraviolet-Enhanced Circular Photodetector

Opto Diode Corporation (Camarillo, CA) has introduced the UVG5S, an ultraviolet-enhanced photodiode with a 5 mm² circular active area. The new device is suitable for detection between 225 nm and 400 nm and features less than 2% response degradation after exposure to 7000J/cm2 at 254 nm. With 100% internal quantum efficiency from 200 nm to 365 nm, the UVG5S is suitable for laser power monitoring tasks. Electro-optical characteristics include responsivity at 0.09 A/W (minimum) to 0.115 A/W (typical) and dark current of 1nA. The reverse breakdown voltage ranges from 25V (minimum) to 50V (typical), and capacitance is 500 pF (minimum) to 1500 pF (maximum).

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Reflective Axicons

Cailabs has partnered with Edmund Optics® (EO) (Barrington, NJ) to market a new line of reflective laser beam shaping products known as Cailabs Canunda Reflective Axicons. These reflective axicons generate high-quality Bessel beams for glass processing and other high-power laser applications. Their fully reflective design can handle high energy and eliminate chromatic dispersion, making them compatible with femtosecond ultrafast lasers, such as Ti:sapphire and Yb-doped lasers. Conventional transmissive axicons, on the other hand, suffer from the broadening of ultrafast pulses due to their broad waveband.

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Raman Spectrometer

Teledyne Princeton Instruments (Trenton, NJ) has introduced a new TPIR-785 Raman spectrometer that leverages spectrograph and camera technologies to optimize performance in the near-infrared (NIR) region. The TPIR-785 Raman system uses a proprietary CCD sensor that has a 1340 x 400 array composed of 20 µm square pixels and can be thermoelectrically cooled to -90°C for ultra-low dark current, allowing integration times from 10 µs to hours. The detector boasts spectral rates higher than 1 kHz, offers readout speeds up to 16 MHz, and employs two readout ports. The system includes a 785 nm Raman probe, a universal fiber adaptor, a manual adjustable slit, and a high-power and temperature-stabilized 785 nm laser.

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SWIR Camera

Princeton Infrared Technologies' (Monmouth Junction, NJ) 2nd Generation 1280SciCam is a reduced weight (3000g) lattice matched InGaAs camera that allows for high resolution SWIR imaging, 1280x1024, at high frame rates up to 95 frames per second (fps) at full-frame size or long integration times of more than 2 minutes. This fine pitch array, 12µm pixels, combined with the high quantum efficiency of the lattice matched InGaAs, enables impressive performance with no image lag in the SWIR and visible spectral bands from 0.4µm to 1.7µm. The camera has the capability of 3 temperature setpoints, -20°C, -40°C (fan cooling) or -60°C (water cooled) using a 3 stage TEC integrated in a vacuum package.

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Raman Spectroscopy System

Wasatch Photonics, Inc. (Morrisville, NC) introduced a new Raman spectroscopy system comprised of three new components. The WP-785-ER-L combines a high throughput, high-resolution, f/1.3 Raman spectrometer with an onboard excitation laser in a single, compact instrument. The high-efficiency spectrometer features a comprehensive measurement range of 100 - 3600 cm-1. The WP-785-ER-L is specially designed to reduce the footprint and lower the cost of modular Raman spectroscopy while allowing flexibility in the probe or sampling optics used. The onboard laser controls are provided through the spectrometer. The WP-785-ER-L can be coupled with the new WP-785-RP modular Raman probes that are compatible with the f/1.3 spectrometer. Focal length options range from sub-mm to 50 mm.

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