Q8326 Optical Wavelength Meter

Digital optical wavelength meter of highest precision

NOT distributed in North America & Asia
This is a discontinued product
More Information? Please contact us.
  • Overview

Key Facts

Q8326 is a digital optical wavelength meter (Advantest) featuring high resolution of the central wavelength. It is suitable for laser diodes, LEDs and other narrowband light sources. Its high measurement accuracy and resolution are ensured over an extremely long period of time by the built-in HeNe reference laser.

Features & Benefits

  • Wavelength range 480 ... 1650 nm
  • Measurement uncertainty 2 ppm (3 pm at 1550 nm)
  • Wavelength resolution 0,1 pm
  • Wavelength and frequency display

Key Facts

Brief description

Q8326 is a digital optical wavelength meter (Advantest) featuring high resolution of the central wavelength. It is suitable for laser diodes, LEDs and other narrowband light sources. Its high measurement accuracy and resolution are ensured over an extremely long period of time by the built-in HeNe reference laser. The light is coupled in by means of optical fiber. An analog level meter is provided to facilitate alignment of the optical axis, if the light has to be fed into the optical fiber first. Thanks to its high accuracy, Q8326 can be used as a calibration standard for spectroscopes; it allows tuning of dye lasers. It can also be used for investigating the wavelength characteristics of semiconductor components.

The high resolution allows for instance accurate measurement of the temperature and chirp response of laser diodes in case of WDM modulation. The instrument always displays the measured wavelength as a value in a vacuum, thus eliminating measurement errors due to the variable refraction index of the air. With 5 measurements per second, the instrument allows realtime observation of wavelength fluctuations. Intensity-modulated light can be accurately measured with a modulation frequency of 3 MHz or higher.

Features & Benefits

  • Wavelength range 480 ... 1650 nm
  • Measurement uncertainty 2 ppm (3 pm at 1550 nm)
  • Wavelength resolution 0,1 pm
  • Wavelength and frequency display
  • 9 digits sensitivity -30 dBm
  • 5 measurements/s
  • GPIB interface
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This declaration of consent may be withdrawn at any time by sending an email with the subject "Unsubscribe" to news@rohde-schwarz.com. Additionally, a link to unsubscribe from future email advertisements is contained in each email sent. Further details on the use of personal data and the withdrawal procedure are set out in the Statement of Privacy.

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