概要（Overview）

The 81625B is a high-power optical head designed for use in demanding photonic testing and measurement applications. This device is made with Indium Gallium Arsenide (InGaAs) technology, which allows it to operate with high efficiency and sensitivity. With a maximum power input capability of 27dBm, the 81625B is well-suited for handling high-power light signals, making it an ideal choice for applications that require precise and reliable optical power measurements.