Athermal Fabry-Perot Interferometer
Category: Fiber Bragg gratings  Publish Time: 2010-06-22 22:47 

Athermal Fabry-Perot Interferometer
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Athermal Fabry-Perot Interferometer

FBG is the key component that acts as a rejection filter in telecommunications. The center wavelength of FBG is very sensitive to changes of temperature or strain. The package is used by the technology of temperature compensation to make the wavelength very stable.
Idealphotonics’s Athermal Fabry-Perot Interferometer (AFPI) is a passive device based on etalon technology that offers a stable comb of reference points for your optical needs. The Idealphotonics AFPI is temperature stable from 0-70°C and has no power requirements.The Idealphotonics AFPI is meant for use when a stable, passive device is required for wavelength referencing.Long life and low drift due to our state-of-the-art hermetic sealing make this an ideal device for optical system integration.

Wavelength Performance Plot Technica lOOGIIz AFPI Reference Waveleng di (pm)

State-of-the-art quality and reliability
Hermetically sealed for environmental stability
Stable with temperature and humidity
Free spectral range is temperature insensitive
No power required
Compact and rugged design
Useful for many optical reference needs
●wavelength reference in Telecom WDM Systems
●Biotechnology and Imaging Measurement Instruments
●Optical fiber sensing
●Optical Sensing Instruments



Insertion Loss

 < 3 dB

Return Loss

 > 20 dB

Free Spectral Range

 100 GHz +/- 5%

Thermal Stability (0-60 °C)

 < +/-1.5 GHz, < +/-3 GHz

Wavelength Range1

1525 to 1565 nm

Operating Temperature

0 to70 C

Storage Temperature

-40 to80 C


30 x 12.7 x10 mm

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