The Agilent 81642A Tunable Laser Source (TLS) with Option 072 is a precision instrument designed for applications requiring a stable and tunable light source within the C- and L- bands of the optical spectrum. This module is optimized for testing optical amplifiers and passive components, particularly in DWDM (Dense Wavelength Division Multiplexing) systems. It features mode-hop-free tuning across its entire wavelength range and offers continuous output power, ensuring consistent performance for critical testing scenarios. The use of Polarization Maintaining Fiber (PMF) with an angled contact connector, as specified by Option 072, helps reduce reflections and spectral ripple, leading to more accurate measurements.

### Technical Specifications

* **Model:** Agilent 81642A
* **Option:** 072 (Polarization Maintaining Fiber, Angled Contact Output Connector)
* **Wavelength Range:** 1510 nm to 1640 nm (Some sources indicate 1510-1670nm or 1510-1640nm)
* **Wavelength Resolution:** 0.1 pm (equivalent to 12.5 MHz at 1550 nm)
* **Wavelength Accuracy (absolute):** ±0.015 nm
* **Wavelength Repeatability (typical):** ±0.5 pm
* **Maximum Output Power:**
* +7 dBm
* > -3 dBm (1510-1640 nm)
* > -4.5 dBm (1510 – 1640 nm)
* **Mode-Hop Free Tuning:** Yes, over the full wavelength range
* **Tuning Span:** Any 50 nm within 1520-1620 nm at flat output power > 2 dBm
* **Spectral Linewidth:**
* 100 KHz (coherent control off)
* > 50 MHz (1520-1620 nm, at maximum flat output power, coherent control on)
* **Optical Power Stability:** ±0.01 dB
* **Output Type:** High power optical output
* **Fiber Type:** Polarization Maintaining Fiber (Panda-Type)
* **Connector Type:** Angled Contact (Panda-Type)
* **Extinction Ratio (PMF):** 16 dB (typical)
* **Return Loss (with angled connectors, options 022, 072):** 60 dB (typical)
* **Output Isolation (typical):** 50 dB
* **Built-in Wavelength Control:** Yes
* **Built-in Real-time Wavelength Meter:** Yes
* **Laser Class:** Class Illb according to FDA 21 CFR 1040.10, Class 3A according to IEC 825-1
* **Warm-up Time:** < 20 min (immediate operation after boot-up) * **Recommended Re-calibration Period:** 2 years### Environmental and Physical* **Operating Temperature:** 10 °C to 35 °C * **Storage Temperature:** -40 °C to +70 °C### Compatibility* **Mainframe Compatibility:** Fits into the bottom slot of the 8164A mainframe. Also compatible with Agilent 8163A/B, 8164A/B, and 8166A/B mainframes and systems. * **Option 072 Recommendation:** Highly recommended over Option 071 (straight contact) to reduce front-panel connector reflections, thereby minimizing interference noise and spectral ripple in the test setup.### Interface and Control* **GPIB Interface:** Supported, with function codes SH1, AH1, T6, L4, SR1, RL1, PPO, DC2, DTO, CO * **RS-232C Interface:** Max. baud rate: 115,200 bps * **Parallel Printer Interface:** Centronics * **PC Card Slot:** One type I, II, and III compliant with PC Card Standard PCMCIA 2.1/JEIDA 4.1 * **External Keyboard:** PS/2 connector * **Data Storage:** Internal Hard Disk Drive (2000 MB ATA), PC and SRAM PC cardsWhy Choose Aumictech for Agilent 81642A Tunable Laser Source? At Aumictech, we specialize in sourcing and validating high-end optical test and measurement equipment. Whether you need a meticulously calibrated Agilent 81642A Tunable Laser Source for critical DWDM component testing, require precise wavelength stability for advanced research, or need a robust solution for optical amplifier characterization, our team ensures the Agilent 81642A delivers maximum performance for your application.