DH-InGaAs

The DH_IGA indium gallium arsenide photodiode offers optimum performance up to 1700 nm. 

The DH_IGA features a 3mm-diameter active area in the InGaAs photodiode (800-1700nm), and is operated in photovoltaic mode. The photocurrent generated by this detector is best measured using the 487 picoameter or the 477 preamplifier followed by the 496 lock-in amplifier. 

The mounting flange supplied with the DH_IGA is compatible with the full range of Bentham monochromators and accessories. A quick-change variant is also available. Other options include thermoelectric cooling for ultimate stability (further reduced spectral range) and a lens solution to maximize coupling from a monochromator.