HITACHI PT-150L-830-HL8318G Pigtailed Laser Diode

( Brand: Hitachi ), ( Manufacturer Part Number: PT-150L-830-HL8318G ), ( Part Type: Laser ), ( Country Of Origin: United States )

Review HITACHI Pigtailed Laser Diode

The **Hitachi PT-150L-830-HL8318G** is a high-performance, industrial-grade pigtailed laser diode module designed for precision applications requiring exceptional reliability, stability, and optical power efficiency. Engineered under Hitachi s rigorous quality standards, this laser diode operates at a near-infrared wavelength of **830 nm**, making it ideal for a wide range of optical sensing, metrology, and industrial automation systems where minimal beam divergence and high coherence are critical. The module features a **single-mode, polarization-maintaining (PM) fiber pigtail** with a **105 m core diameter**, ensuring optimal coupling efficiency and minimal signal loss while maintaining alignment integrity over extended operational periods. This pigtailed configuration eliminates the need for external collimation optics, simplifying integration into compact or space-constrained systems while reducing the risk of misalignment-induced performance degradation.

With a **maximum output power of 150 mW**, the PT-150L-830-HL8318G delivers consistent and repeatable optical performance, making it suitable for demanding applications such as **LiDAR systems, optical distance measurement, laser marking, and high-precision industrial inspection**. The laser diode is housed in a robust **TO-can package** with a hermetically sealed design, providing superior environmental resistance to moisture, dust, and thermal fluctuations critical for operation in harsh or unregulated industrial environments. Its **temperature-stabilized** architecture, featuring an integrated thermoelectric cooler (TEC), ensures wavelength stability across a broad operating range, typically from **-10 C to 60 C**, with minimal drift, thereby enhancing measurement accuracy and system reliability.

The module s **direct modulation capability** allows for fast response times, making it well-suited for applications requiring pulse widths as short as **nanoseconds** or continuous-wave (CW) operation, depending on the specific configuration. Additionally, the **polarization-maintaining fiber** ensures that the output beam retains its linear polarization state, which is essential for interferometric and polarization-sensitive applications. The PT-150L-830-HL8318G is also compatible with standard **FC/APC connectors**, facilitating seamless integration into existing optical systems without the need for custom adapters. Whether deployed in **automotive quality control, aerospace component inspection, or advanced robotics**, this laser diode module exemplifies Hitachi s commitment to delivering a product that balances power, precision, and durability, making it a versatile choice for engineers and system designers seeking a dependable optical solution.

The Hitachi PT-150L-830-HL8318G is a pigtailed laser diode module operating at a wavelength of 830 nm with a power output of 150 mW. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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1. **High Power Output:** The 150 mW power output is suitable for applications requiring moderate to high optical power, such as free-space communication, optical sensing, or certain types of laser marking or material processing. This makes it more versatile than lower-power modules for tasks that demand consistent performance.

2. **Pigtailed Design:** The pigtailed configuration (likely with a fiber pigtail) simplifies integration into optical systems. It reduces the need for precise alignment of free-space optics, minimizes coupling losses, and protects the laser diode from environmental factors like dust or moisture. This is particularly advantageous in automated or industrial setups where reliability and ease of installation are critical.

- Free-space optical communication (FSOC) over short to medium distances, where atmospheric absorption is relatively low.

- Optical sensing and ranging (LIDAR) in certain environments where 830 nm is preferred over longer wavelengths due to detector sensitivity or material properties.

- Some types of laser marking or engraving, where the wavelength is absorbed by certain materials.

- Biomedical or scientific applications where 830 nm is non-ionizing and safe for use with biological tissues.

4. **Compact and Modular:** The pigtailed module is typically compact and modular, making it easy to incorporate into existing optical systems without significant redesign. This is beneficial for research labs, industrial machines, or custom optical setups where space and flexibility are concerns.

5. **Stability and Longevity:** High-quality laser diodes like those from Hitachi are often designed for long-term stability and reliability. The pigtailed design can also reduce stress on the diode, potentially extending its operational lifetime compared to free-space modules.

6. **Compatibility with Standard Components:** The 830 nm wavelength and pigtailed output are compatible with a wide range of optical components, detectors, and fiber optics, making it easier to source additional parts or upgrade the system as needed.

7. **Thermal Management:** Many pigtailed laser modules include integrated thermal management features (e.g., TEC coolers or heat sinks) to maintain stable performance. This is critical for applications where temperature fluctuations could otherwise degrade output or introduce noise.

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1. **Cost:** Pigtailed laser diodes, especially those from reputable manufacturers like Hitachi, are generally more expensive than free-space modules or lower-power alternatives. The 150 mW power output and pigtailed design contribute to the higher price point. This may be a barrier for budget-conscious applications or small-scale projects.

2. **Fiber Pigtail Limitations:** While the pigtailed design offers advantages, it also introduces dependencies on the fiber optic components. For example:

- The fiber type (e.g., single-mode vs. multimode) must be compatible with your application. Mismatches can lead to significant coupling losses.

- Fiber connectors or splices may require additional care to avoid losses or damage, adding complexity to the setup.

- If the fiber is damaged or degraded, it can affect the overall system performance.

3. **Limited Customization:** The fixed wavelength (830 nm) and power output (150 mW) may not be suitable for all applications. If your project requires tunable wavelengths, higher or lower power, or specific modulation characteristics, this module may not be flexible enough. Custom or specialized modules could be more expensive or harder to source.

4. **Driver and Control Complexity:** Operating a laser diode, even a pigtailed one, often requires precise current and temperature control. This may necessitate additional electronics (e.g., a laser driver) to ensure stable performance. The complexity of integrating these components could be a drawback for users without experience in optical systems.

5. **Potential for Overkill:** If your application does not require the full 150 mW of power, you may be paying for more capability than needed. Lower-power modules (e.g., 50 mW or 100 mW) could suffice for simpler tasks, reducing costs without sacrificing performance.

6. **Environmental Sensitivity:** While pigtailed modules are more robust than free-space diodes, they are not entirely immune to environmental factors. For example:

- Exposure to moisture, dust, or chemicals could degrade the fiber or connectors over time.

- Temperature extremes or rapid changes could affect performance unless the module includes robust thermal management.

- Mechanical stress on the fiber or module could lead to misalignment or damage.

- In some material processing tasks, a different wavelength (e.g., 1064 nm or 532 nm) might be more effective due to absorption properties.

- In free-space communication, atmospheric conditions (e.g., fog, smoke) can scatter or absorb 830 nm light more than other wavelengths, limiting range.

- Detectors optimized for 830 nm may not be as sensitive as those for other wavelengths, depending on the application.

8. **Supply Chain and Availability:** High-quality laser modules from specific manufacturers like Hitachi may have limited availability or long lead times, depending on demand and production capacity. This could delay projects or require alternative sourcing.

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The Hitachi PT-150L-830-HL8318G is a robust and versatile pigtailed laser diode module that excels in applications requiring moderate to high optical power, stability, and ease of integration. Its 830 nm wavelength and 150 mW output make it suitable for a range of optical communication, sensing, and material processing tasks. The pigtailed design simplifies system integration and protects the laser from environmental factors, while the modular nature allows for flexibility in optical setups.

However, the higher cost, potential fiber compatibility issues, and limited customization may not justify the purchase for all applications. Users should carefully evaluate whether the module s power output, wavelength, and pigtailed design align with their specific needs. If the application can accommodate lower power or a different wavelength, alternative modules may offer better value. Additionally, users without experience in laser systems may need to invest time or resources into learning how to properly drive, control, and maintain the module.

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- Your application requires **150 mW or higher optical power** at 830 nm.

- You need a **reliable, pigtailed module** for ease of integration and protection against environmental factors.

- Your project involves **free-space communication, optical sensing, or material processing** where 830 nm is the optimal wavelength.

- You have access to or can source compatible **fiber optics, detectors, and control electronics** for your system.

- You prioritize **stability, longevity, and modularity** over cost savings.

- Your application can function with **lower power** (e.g., 50 mW or 100 mW), reducing costs without sacrificing performance.

- A **different wavelength** (e.g., 980 nm, 1064 nm, or 532 nm) is more suitable for your materials or environment.

- You lack experience with **laser drivers or thermal management**, as this could complicate setup and maintenance.

- Budget constraints make the higher cost of this module prohibitive, and lower-cost alternatives (e.g., free-space diodes or simpler pigtailed modules) could meet your needs.

For new users or smaller projects, it may also be worthwhile to start with a lower-power or lower-cost module to test requirements before investing in a high-power pigtailed diode. Consulting with an optical engineer or supplier can help ensure that this module is the best fit for your specific application.

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part #: pt150l830hl8318g price

• $230.00

specifications industrlasemr:

• brand: Hitachi
• mpn: Pt-150l-830-hl8318g
• part type: Laser
• country of origin: United States

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