AGILENT 81682A Tunable Laser Module 071 003 1460-1580NM

( Brand: Agilent ), ( Manufacturer Part Number: 81682A ), ( Part Type: Hp Laser Module ), ( Country Of Origin: Germany )

Review AGILENT 071 003 Hp Tunable Laser Source Module Options And 1460-1580nm

The **Agilent 81682A-071-003 HP Tunable Laser Module (1460 1580 nm)** is a high-performance, precision-engineered optical component designed for demanding applications in telecommunications, fiber optic sensing, and optical testing. This compact yet robust laser module operates within the C-band and short-wavelength O-band regions, delivering a tunable output wavelength range from **1460 nm to 1580 nm** with exceptional spectral purity and stability. Engineered with advanced **distributed feedback (DFB) technology**, the module ensures a single-mode, narrow linewidth emission critical for high-resolution spectroscopy, wavelength-division multiplexing (WDM) systems, and coherent optical communication experiments. Its **HP (High Performance) designation** underscores its reliability, low noise floor, and precise wavelength control, making it ideal for research-grade applications where accuracy and consistency are paramount.

The 81682A-071-003 features a **tunable range of 120 nm**, allowing seamless adjustment across the specified spectrum with minimal drift, thanks to its integrated **thermoelectric cooler (TEC)** and precise temperature stabilization circuitry. This thermal management system ensures wavelength stability even under varying environmental conditions, while the module s **direct current (DC) modulation capability** enables rapid tuning and modulation for dynamic signal testing. The compact, **14-pin butterfly package** design facilitates easy integration into existing optical setups, whether in benchtop test systems, optical network analyzers, or fiber Bragg grating (FBG) interrogation platforms. With a **maximum output power of up to 5 mW** (adjustable via integrated current control), the module balances sufficient signal strength with efficiency, reducing heat dissipation and prolonging component lifespan.

Beyond its technical specifications, the 81682A-071-003 is built to meet stringent industry standards, including compliance with **RoHS and CE directives**, ensuring environmental safety and regulatory adherence. Its **single-mode fiber pigtail** (typically SMF-28) simplifies coupling to optical fibers, while the module s **low polarization-dependent loss (PDL)** and **high side-mode suppression ratio (SMSR)** guarantee optimal performance in polarization-sensitive applications. Whether used for **optical time-domain reflectometry (OTDR) testing, chromatic dispersion measurement, or advanced metrology**, this laser module delivers the precision and flexibility required for next-generation optical research and industrial deployments. Its legacy as part of Agilent s (now Keysight s) high-end instrumentation lineup further attests to its reputation for durability and cutting-edge performance, making it a trusted choice for engineers and scientists demanding the highest standards in tunable laser technology.

### **Pros and Cons of buying a Agilent 81682A-071-003 (HP Tunable Laser Module, 1460 1580 nm)**

1. **High Performance and Precision** The module is designed for high-speed, low-noise operation, making it suitable for demanding applications such as optical communication testing, wavelength division multiplexing (WDM) systems, and fiber optic research. Its tunable range (1460 1580 nm) aligns with key telecom and data transmission bands.

2. **Compatibility with Agilent/HP Test Equipment** This module is specifically engineered to work seamlessly with Agilent/HP optical spectrum analyzers, tunable laser sources, and other related instruments. It ensures reliable integration into existing setups without compatibility issues.

3. **Stability and Reliability** Agilent (now part of Keysight) is a well-established manufacturer known for producing high-quality, durable optical components. The module is built to withstand prolonged use in laboratory or field environments.

4. **Wavelength Tunability** The ability to fine-tune the laser wavelength within a broad range (1460 1580 nm) makes it versatile for testing different fiber optic systems, including DWDM (Dense Wavelength Division Multiplexing) and CWDM (Coarse Wavelength Division Multiplexing).

5. **Low Power Consumption** Compared to some other tunable laser sources, this module is relatively efficient, reducing operational costs and heat generation.

6. **Used Market Availability** Since this is an older model (discontinued by Agilent), it is often available at a lower cost on the used market, making it a cost-effective option for researchers or professionals with existing Agilent equipment.

7. **Backward Compatibility** If you already own Agilent/HP optical test equipment, this module will likely work without requiring additional adapters or modifications.

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1. **Discontinued and Obsolete** The module is no longer manufactured by Agilent/Keysight, meaning you will not receive official support, firmware updates, or replacement parts directly from the manufacturer. This could pose long-term risks if the module fails.

2. **Limited Availability of Spare Parts** Finding replacement components (e.g., optics, drivers, or connectors) may be difficult, as suppliers may no longer stock them. This could lead to extended downtime if the module malfunctions.

3. **Potential for Outdated Technology** While the module is still functional, newer tunable laser sources may offer improved features such as wider tuning ranges, higher modulation speeds, or better integration with modern software and automation tools.

4. **Compatibility Risks with Newer Systems** If you are upgrading your test setup to newer Agilent/Keysight or third-party equipment, this older module might not be fully supported or may require additional interfaces, increasing complexity.

5. **No Warranty or Guarantee** Purchasing a used or refurbished unit means you waive any warranty coverage. If the module fails shortly after purchase, you will bear the full cost of repair or replacement.

6. **Higher Long-Term Costs** While the initial purchase price may be low, the lack of official support and potential need for third-party repairs could make this module more expensive over time compared to a newer, supported alternative.

7. **Limited Documentation and Support** Older manuals and technical resources may be harder to find, and troubleshooting issues could require reverse-engineering or reliance on community forums rather than official support channels.

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The **Agilent 81682A-071-003 tunable laser module** is a **high-quality, reliable, and versatile** option for users who already have compatible Agilent/HP test equipment and need a tunable laser source in the 1460 1580 nm range. Its **low cost (especially on the used market) and proven performance** make it an attractive choice for budget-conscious buyers or those maintaining legacy systems.

However, the **lack of manufacturer support, potential parts scarcity, and risk of obsolescence** are significant drawbacks. If you are working in a **research or industrial setting where reliability and long-term support are critical**, this module may not be the best long-term investment. Instead, consider **newer tunable laser sources from Keysight, Thorlabs, or other manufacturers** that offer **warranties, software integration, and broader tuning ranges**.

If you **already own Agilent/HP equipment, have no immediate need for upgrades, and can source spare parts independently**, this module remains a **practical and cost-effective solution**. Otherwise, investing in a **supported, modern alternative** would likely be more advantageous in the long run.

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- You have existing Agilent/HP test equipment and need a compatible tunable laser.

- You are working within a tight budget and can source spare parts as needed.

- You do not require the latest features (e.g., wider tuning, higher speed) and prioritize proven reliability.

- You need long-term support, warranties, or official spare parts.

- You are upgrading to newer test systems that may not fully support this module.

- You require advanced features like automated tuning, higher modulation speeds, or broader wavelength coverage.

- **Keysight 81682A (if still available)** Check for newer versions with extended warranties.

- **Thorlabs or Santec Tunable Lasers** Modern alternatives with better support and features.

- **Refurbished Newer Models** Some suppliers offer refurbished Agilent/Keysight equipment with limited warranties.

Details:

Wave length Resolution: 0.1 pm. Note: Mainframe and cables are not included. Calibration: Last calibration status is unknown please refer to the NIST traceability sticker in photos. Sold as-is due to lack of testing equipment.

Wave length Accuracy: 0.01 nm. Condition: Physical Excellent, as shown in the high-resolution photos. Key Technical Specifications: Wave length Range: 1460 nm to 1580. This module is a high-performance solution for testing optical components and amplifiers EDFA within the 1460nm to 1580nm wave length range.

part #: 81682a prices

• $3995.67-$6800.00

specifications industrlasemr:

• brand: Agilent
• mpn: 81682a
• part type: Hp Laser Module
• country of origin: Germany

general industrlasemr:

• Medical/Lab Equipment Attachments Accessories > Lamps, Bulbs Laser Components > Laser Modules Heads
• condition: Used

shipping industrlasemr:

• cost: $32.58
• transit: 5-11 Days
• type: Calculated
• carrier: FedEx
• class: Standard
• service: FedEx Ground / FedEx Home Delivery

seller industrlasemr:

• # reviews: 76
• rating: 100.0%
• city: Rancho Cordova, California

payments industrlasemr:

• other
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• wallet: Paypal

returns industrlasemr:

• policy: No Returns

offer industrlasemr:

• availability: In Stock
• started: April 23, 2026
• quantity: 1
• options: Ship-to-home
• best offers: True
• sold: 0

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