High Sensitivity Fast PIN Photodetector Series FPD5100 pages
High Sensitivity Fast PIN Photodetector Series FPD510
The high sensitivity PIN Photodetector FPD510 is optimized for highest signal-to-noise ratio when
detecting low level optical beat signals at frequencies up to 250 MHz. The unit is recommended in
particular for applications in metrology when beat signals of weak power have to be detected in a
highly efficient way. Models for both the visible and the near infrared regime are available.
Features
• High signal-to-noise ratio
• Flat spectral response (less than 3dB up to 200 MHz)
• OEM package with FC/APC pigtail (SMF28)
or free space module
• Available for visible and near infrared spectral range
Applications
• Efficient detection of optical beat signals
at frequencies up to 250 MHz
• Detection of fiber coupled or freespace
low light level signals
• OEM integration
0 20 40 60 80 100
Frequency [MHz]
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Signal [dBm]
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Frequency [MHz]
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Signal [dBm]
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Time [ns]
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Signal [V]
Time Characteristics
FPD510: Pulse response of a femtosecond pulse train at 1560 nm
Time Characteristics
Frequency Characteristics
Example Application:
Offset Beat of Self-referenced Frequency Comb
Input Signal:
250 fs Pulses @ 1560 nm
average power 1.25 microW
Input Signal:
250 fs Pulses @ 1560 nm
average power 1.25 microW
detail view
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Time [ns]
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Signal [V]