More Information
Features:
- Linewidth Measurements
- Wavelength from 1250 nm to 1600 nm
- Chirp/FM Characteristic Measurements
The 11980A is a Mach-Zehnder interferometer of fixed delay. Used with an 71400 series or 83810B lightwave signal analyzer, it allows you to measure chirp and frequency modulation (FM) on DFB lasers. Traditional measurements of laser linewidth on single-line lasers can also be made.
The 11980A splits the optical energy into two paths, delaying one path with respect to the other, and recombines them in a second optical coupler. A polarization adjustment helps align the optical fields for maximum interference.
Together the interferometer, lightwave signal analyzer, and a gateable RF source permit the display of a true power spectrum of single-frequency lasers. This includes the display of intensity modulation linewidth and components of chirp caused by the intensity modulation.
Option 005 replaces the standard 0.76 km of delay with 5.2 km to measure laser linewidth down to 30 kHz.
The 11980A Keysight Fiber Optic Interferometer may still be available for purchase and support from Artisan Technology Group beyond End-Of-Life (EOL) by the manufacturer (OEM).
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Keysight 11980A Fiber Optic Interferometer Specs
|
| Wavelength Range | 1250 to 1600 nm
|
| Optical Insertion Loss | < 9 dB
|
| Delay Time | 25 µsec
|
| Linewidth (minimum) | <100 kHz
|
| Maximum Input Power | 250 mW |
| General |
| Manufacturer | Keysight / Agilent / HP |
| Model | 11980A |
| Condition | Used and in Excellent Condition |
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Artisan Scientific Corporation dba Artisan Technology Group is not affiliated with or a distributor for Keysight. The depiction, description, or sale of products featuring names, trademarks, brands, and logos is for identification and/or reference purposes only and does not indicate any affiliation with or authorization by any rights holder.
Fiber Optic Interferometer Price & Specs