Chinese (Simplified)EnglishFrenchItalianPortugueseSpanish

Ocean Optics
Worldwide Headquarters
Largo, Florida, USA

+1 727-733-2447

[email protected]

Sales, Service
& Support Facility
Duiven, The Netherlands

+31 26-319-0500
+33 442-386-588

[email protected]

Ocean Optics GmbH Sales,
Service & Support Facility
Ostfildern, Germany

+49 711-34-16-96-0

[email protected]

Sales Support
for the
United Kingdom

+44 1865-819922

[email protected]

Sales, Service
& Support Facilities
Shanghai, PRC – Beijing, PRC

+86 21-6295-6600

[email protected]


Why use a Fiber Optic Variable Attenuator (FVA-UV)?

Having too much light reach the detector in your spectrometer can saturate the detector. There many ways to address this situation: you can adjust the integration time of the spectrometer or change the aperture of the optical bench to a smaller width – an option that can be performed in the field with one of our interchangeable-slit spectrometers such as the QE Pro. Or, if you don’t have a slit installed in your spectrometer, you can use a smaller core diameter optical fiber to reduce light throughput.

Attenuation options are available on the sample side as well, including adding neutral-density filters to your setup or using a device such as the FVA-UV. The FVA-UV allows you to leave the spectrometer configuration as is and provides additional flexibility when other techniques are either unworkable or undesirable.