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These high performance Linear PDA Spectrometers feature high speed plug and play USB 2.0 interface, 512 element linear photodiode array (PDA), high throughput spectrograph and 16-bit built-in digitizer. The SMA 905 adapter provides precision fiber coupling to guide the light to the 25μm input slit. A blazed concave holographic grating combines two optical elements: grating and focusing mirror, resulting in a compact optical bench with minimum stray light and maximum throughput. The PDA array features high signal to noise ratio and enhanced UV and NIR sensitivity making it ideal for detecting small changes and low signal levels. The included software is intuitive to use and features a wide range of tools designed to simplify complex measurements and calculations. In addition to the data acquisition and processing, the software feature dark current compensation, spectrum smoothing and baseline correction.