Balanced Receivers
New Focus
For noise sensitive experiments, New Focus offer balanced receivers that cancel out laser-intensity noise in experimental set-ups that produce a reference signal.
These receivers can eliminate the need for lock-in amplifiers and can make all the difference when you"re trying to see a small signal.
125 kHz Nirvana™ Photoreceivers : Cut the effects of laser noise by 50dB, making even small signals easy to see.
650 & 800 MHz Balanced Receivers : Ideal for FM spectroscopy, absorption spectroscopy, or ellipsometry, these 650 and 800 MHz balanced photoreceivers can make all the difference when you're trying to see small signals.
125 kHz Nirvana™ Photoreceivers : Cut the effects of laser noise by 50dB, making even small signals easy to see.
650 & 800 MHz Balanced Receivers : Ideal for FM spectroscopy, absorption spectroscopy, or ellipsometry, these 650 and 800 MHz balanced photoreceivers can make all the difference when you're trying to see small signals.
General Purpose Receivers
New Focus
For general-purpose applications, New Focus offer high-sensitivity, low frequency receivers as well as receivers with large active areas for efficient light collections.
Femtowatt Photoreceivers: Ideal when you need the ultimate in low light level detection. They are sensitive from the UV all the way to IR, giving you the flexibility to work wherever you get the most signal.
200-kHz Photoreceivers: Ideal optical front ends for systems requiring low-noise input with modest bandwidth.
Nanosecond Photodetectors: Ideal for use as a general-purpose detectors with Q-switched or cw lasers. Their large diameter and DC response makes alignment easy.
Large Area Photoreceivers: With extra large 5 or 8 mm diameter detectors in these photoreceivers, you"ll be able to tweak your experiment without worrying about the beam wondering off the detector.
125 MHz & 1 GHz Receivers: 125 MHz Receivers offer a well balanced combination of gain, bandwidth and low noise over the DC-125 MHz frequecy range. The 1 GHz Receivers are used in experiments requiring up to 1 GHz bandwidths
200-kHz Photoreceivers: Ideal optical front ends for systems requiring low-noise input with modest bandwidth.
Nanosecond Photodetectors: Ideal for use as a general-purpose detectors with Q-switched or cw lasers. Their large diameter and DC response makes alignment easy.
Large Area Photoreceivers: With extra large 5 or 8 mm diameter detectors in these photoreceivers, you"ll be able to tweak your experiment without worrying about the beam wondering off the detector.
125 MHz & 1 GHz Receivers: 125 MHz Receivers offer a well balanced combination of gain, bandwidth and low noise over the DC-125 MHz frequecy range. The 1 GHz Receivers are used in experiments requiring up to 1 GHz bandwidths
Datacom Receivers & Transmitters
New Focus
New Focus offer :12 to 25 GHz Datacom Receivers & Detectors: Designed specifically for characterising VCSELs and 10 Gbit/s systems operating at 850 nm.
10 Gbits/s 850nm VCSEL: Designed for use in laboratory applications or for test and measurement of 10 Gbit/s datacom devices.
Photonics 
