Agilent/Keysight N7783B Thermal Polarization Delay Test Set

The Keysight N7783B Thermal Cycling Unit is a specialized instrument designed to work in conjunction with the Keysight N7782B PER Analyzer. It facilitates precise temperature cycling of optical fibers under test, enabling accurate and repeatable measurements of Polarization Extinction Ratio (PER) in Polarization Maintaining Fibers (PMF). This system is particularly valuable in advanced optical communication and testing applications, especially within research and development and manufacturing environments focused on high-quality optical signal manipulation and characterization.

### Technical Specifications

* **Control System:** Fully controlled by the Keysight N7782B PER-Analyzer.
* **Functionality:** Enables accurate and repeatable temperature cycling of the fiber under test.
* **PER Measurement System Integration:** Forms a critical part of the PER measurement system when combined with the Keysight N7782B, achieving excellent accuracy and repeatability.
* **Thermal Cycling Time:** Adjustable from 1 to 10 seconds.
* **Thermal Cycling Range:** 0°C to 60°C.
* **Analog Output Ports:** Available for active alignment and integration into control loop applications.
* **Application Example:** Splice Angle Characterization.
* Used in pairs to characterize optical connections between two polarization-maintaining fibers (PMFs), such as optical splices.
* Isolates the angular misalignment of the connection by eliminating the influence of input polarization or subsequent fibers at the output.

### Electrical Specifications

* **Power Consumption (N7783B Unit):**
* Line power: AC 100 to 240 V ± 10%, 47 to 63 Hz, 1.0 A max.

### Interfaces

* **Control Interface:** USB or GPIB.
* **Automation Interfaces:** Analog output ports for active alignment and integration into control loop applications.

### Physical Specifications

* **Dimensions (N7783B Unit):** 160 mm x 57 mm x 62 mm (excluding front and back rubber cushions and handle).
* **Weight (N7783B Unit):** Approximately 4 kg.
* **Operating Temperature:** +5 °C to +40 °C.
* **Operating Humidity:** 0% to 80%, non-condensing.
* **Altitude:** Maximum operating altitude is 2000 m.
* **Pollution Protection:** Pollution degree 2.
* **Warm-up Time:** 20 minutes.

### Compatibility

* **Primary Controller:** Keysight N7782B PER-Analyzer.
* **Fiber Type:** Polarization Maintaining Fibers (PMF).
* **Supported Wavelengths (via N7782B):** Instruments available for 1260 nm up to 1640 nm.
* **Internal Laser Sources (via N7782B):** Available at 1310 nm and 1550 nm.

### Applications

* **Polarization Extinction Ratio (PER) Measurement:** Facilitates fast and accurate PER measurement of optical signals in PMFs, with reliable measurements up to 50 dB.
* **Laser Diode PMF Pig-Tailing:** Supports alignment during the pig-tailing process with real-time display of PER and optical power.
* **PMF Splicing:** Aids in alignment during the splicing process of PM fibers through real-time display of optical power and angular misalignment.
* **PM Component Characterization:** Enables measurement of PER on components like fiber polarizers, PMF couplers, and PMF splitters.
* **Characterization of PMF Cross-Coupling:** Measures and displays polarization crosstalk in a PM fiber as PER.
* **PM Splice Characterization:** Allows for non-destructive measurement of the angular misalignment of a PM splice, enabling independent characterization of multiple splices in a chain.

### Product Status

* **Discontinued / Currently Supported:** The Keysight N7783B is a discontinued product but is still supported.

Why Choose Aumictech for Keysight N7783B?
At Aumictech, we specialize in supplying high-performance optical test equipment. Whether you need precise thermal cycling for PMF characterization, accurate PER measurements, or seamless integration into automated production lines, our team ensures the Keysight N7783B delivers maximum performance for your application.