2011-FS In Stock

The 2011-FS by Newport is a Front-End Optical Receiver that is designed for the precise measurement of optical signals. Engineered with a focus on operational efficiency and adaptability, this receiver offers an array of features to facilitate seamless optical signal assessment. Equipped with adjustable high-pass and low-pass filters, as well as an impressive 90 dB adjustable electronic gain range, the 2011-FS enables the detection of optical signals at virtually any power level ranging from 1 µW to 10 mW while ensuring shot-noise-limited performance. Notably, this receiver includes a DC÷30 setting to prevent signal saturation due to DC-amplitude fluctuations.

The 2011-FS has exceptional power efficiency, drawing a static current of less than 1 mA. This efficiency allows the receiver to operate for extended durations, powered by a pair of 9V batteries for a minimum of 500 hours. The noise performance of the 2011-FS primarily depends on the setting of the first stage, with the final gain stage primarily serving to scale the signal for ease of interpretation. Notably, the receiver boasts a remarkably low Noise Equivalent Power (NEP) of less than 0.5 pW/√Hz within the spectral range of 800 nm to 1600 nm when utilizing the 104 gain setting. The NEP serves as a pivotal metric, quantifying the minimum optical input power required for the output signal to match the output noise level of the optical receiver. It is a wavelength-dependent parameter, characterized by its sensitivity to the selected gain settings, with each full clockwise turn of the gain knob resulting in an approximate threefold increase in the NEP.