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Advantest Q8221 Optical Multifunction Power Meter Adapters

From:Advantest | author:Mr.Chen | Time :2025-06-04 | 79 view: | Share:

High Sensitivity Sensors

Noise level: -94 dBm.

The Q82208 and Q82232 optical sensors achieve high sensitivity by cooling the InGaAs photodiode.

the Q82208. in particular, achieves -94 dBm. all three types are capable of measuring high power up to +10 dBm with high linearity.

These sensors meet a wide range of user requirements for polarization correlation, return loss, and sensor type.

They meet a wide range of measurement requirements.

High Power Input Optical Sensors (Q82227)

Maximum input power: +27 dBm

The Q82227 is suitable for long wavelength, high sensitivity and high power light.

The sensor is capable of measuring optical inputs up to +27 dBm.

Therefore, it is suitable for measuring the output of fiber-optic amplifiers, pump sources for fiber-optic amplifiers,

and high-output devices (e.g., LDs for optical CATV).

In addition, the Q82227 has a noise level of -80 dBm, so it can be used for measurements requiring a wide dynamic range.

Low polarization-dependent optical sensor (Q82232): 0.003 dBp-p or lower

The high-sensitivity Q82232 optical sensor has a polarization dependence as low as 0.003 dBp-p.

Used in conjunction with the Q8163 polarization scrambler, it can be used for high-speed, high-precision PDL measurements of optical devices.

Low Reflection, High Return Loss Sensors

Adapters with Minimal Reflection

If the input light is reflected back, the effect on the system can lead to inaccurate measurements.

the Q82208 optical sensors use optical fibers with beveled polished ends to suppress reflections (return loss of 50 dB or more). 

the Q82208 is designed for use in optical devices with high speed and high accuracy PDL measurements.

the Q82208 is designed for use in optical devices with high speed and high accuracy.

When using PC-polished connectors, 45 dB or more return loss can be obtained by using a low-loss,

high-return-loss adapter (typical return loss without this adapter is 14 dB).

The sensor is suitable for fibers with core diameters of 10 μm and NA values of 0.19 or less,

making it suitable for measuring dispersion-shifted fibers. FC, SC, ST, MU, LC, and plug-in connectors are available.

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