GOOCH HOUSEGO EM600-193400-100-PM250-FCA-NA Dfb Laser Module 193.4 Thz 1550 Mw

( Brand: Gooch Housego ), ( Manufacturer Part Number: EM600-193400-100-PM250-FCA-NA ), ( Part Type: Laser Module ), ( Output Power: 100mw ), ( Wavelength: 193.4 Thz )

Review GOOCH HOUSEGO And Em600 Dfb Laser Module Thz Nm 100 Mw Mint Condition

The **Gooch & Housego EM600-193400-100-PM250-FCA-NA EM600 DFB Laser Module** is a high-performance, single-frequency, distributed feedback (DFB) laser designed for precision optical applications requiring exceptional stability, reliability, and spectral purity. Operating at a center wavelength of **1550 nm**, this module falls within the **193.4 THz** frequency range, making it ideal for telecommunications, fiber-optic sensing, metrology, and advanced photonic systems where minimal linewidth and low noise are critical. The **DFB laser architecture** ensures a narrow emission linewidth typically below **1 MHz** while the **Polarization-Maintaining (PM) single-mode fiber pigtail** (PM250) guarantees consistent polarization output, reducing alignment challenges in complex optical setups. With a **100 mW** maximum optical output power, this module delivers robust performance for high-sensitivity applications, such as coherent communications, laser ranging, or spectroscopic analysis where power efficiency and spectral coherence are paramount.

Engineered for industrial and research-grade environments, the **EM600 series** incorporates a **thermally stabilized housing** with precise temperature control, ensuring long-term wavelength stability and minimizing drift under varying thermal conditions. The **FCA (Fiber Coupled Assembly)** design simplifies integration into fiber-based systems, offering a compact and rugged form factor that minimizes back-reflections while maintaining high coupling efficiency. The **NA (Near-Axis Collimated) output** further enhances compatibility with free-space optics, making it versatile for both fiber-coupled and direct-space applications. Additionally, the module s **direct current (DC) drive capability** allows for seamless integration into automated systems, where precise modulation and control are required. Whether deployed in **long-haul telecommunications, LiDAR systems, or high-precision interferometry**, this laser module exemplifies Gooch & Housego s commitment to delivering cutting-edge, field-proven optical solutions that balance performance, durability, and ease of use.

### **Pros and Cons of buying a Gooch & Housego EM600-193400-100-PM250-FCA-NA (1550 nm, 193.4 THz, DFB Laser Module)**

#### **Pros**

1. **High Performance and Precision** The module operates at **1550 nm**, a wavelength commonly used in telecommunications, fiber optics, and sensing applications due to its low loss in silica fibers and compatibility with standard telecom infrastructure. The **DFB (Distributed Feedback) laser** ensures narrow linewidth and stable single-mode operation, making it suitable for high-precision applications such as:

- **Optical communication** (e.g., DWDM, coherent transmission)

- **LiDAR and free-space optics**

- **Spectroscopy and gas sensing** (e.g., PM2.5 monitoring, as suggested by the "PM250" designation)

- **Metrology and distance measurement**

2. **Compact and Modular Design** As part of the **EM600 series**, this module is likely designed for integration into larger systems, offering flexibility in experimental setups without requiring bulky external components.

3. **Wavelength Stability** The **193.4 THz (1550 nm)** wavelength is well-suited for applications where minimal dispersion and attenuation are critical, such as long-haul fiber optics or high-resolution sensing.

4. **Potential for Customization** The "FCA" and "NA" designations may indicate features like **fiber-coupled output** (FCA) and a specific **numerical aperture (NA)**, which can be tailored to specific fiber types or beam delivery requirements.

5. **Brand Reputation** Gooch & Housego is a well-established manufacturer of high-quality optical components, particularly in the **laser and fiber optics** sector. Their products are often used in research, industrial, and defense applications where reliability is paramount.

6. **Compatibility with Existing Systems** If you already have infrastructure (e.g., fiber optics, photodetectors, or modulation equipment) optimized for **1550 nm**, this module can seamlessly integrate without requiring major upgrades.

7. **Long-Term Availability** As a mature product line, replacement parts and technical support may be more readily available compared to newer, less-proven technologies.

---

#### **Cons**

1. **High Cost** High-performance DFB laser modules, especially those from reputable brands like Gooch & Housego, are typically **expensive**. The price may be prohibitive for small-scale or budget-conscious projects unless absolutely necessary.

2. **Complexity in Operation** DFB lasers require precise **temperature control (TEC modules)**, **current stabilization**, and sometimes **external modulation** for advanced applications. This adds to the system s complexity and may require additional components (e.g., drivers, controllers), increasing both cost and maintenance effort.

3. **Limited Wavelength Flexibility** The module is fixed at **1550 nm**, meaning it cannot be tuned to other wavelengths. If your application requires multiple wavelengths, you would need separate modules or a tunable laser, adding to the system cost.

4. **Potential for Overkill** If your application does not require the **high precision, narrow linewidth, or single-mode operation** that a DFB laser provides, a simpler (and cheaper) **FP (Fabry-P rot) laser** or even a **LED source** might suffice. Over-specifying can lead to unnecessary expenditure.

5. **Maintenance and Longevity Concerns** While DFB lasers are durable, they are **sensitive to environmental factors** such as temperature fluctuations, vibration, and electrical noise. Poor handling or improper integration could reduce lifespan or performance.

6. **Learning Curve** If you are not experienced with **laser optics, fiber coupling, or telecom-grade components**, setting up and troubleshooting this module may require significant learning or external expertise.

7. **Alternative Options May Exist** Depending on your specific use case, **commercial-off-the-shelf (COTS) alternatives** (e.g., from Thorlabs, Newport, or Keysight) might offer similar performance at a lower cost. Always compare specifications and total cost of ownership (TCO).

8. **Regulatory and Safety Considerations** Lasers at **1550 nm** are typically **Class 1M or Class 3R**, meaning they pose minimal eye hazard but still require proper handling to avoid unintended exposure during maintenance or alignment.

---

### **Conclusion**

The **Gooch & Housego EM600-193400-100-PM250-FCA-NA (1550 nm DFB laser module)** is a **high-quality, precision optical component** ideal for applications demanding **narrow linewidth, stable single-mode operation, and compatibility with fiber optics**. It excels in **telecom, sensing (e.g., PM2.5 monitoring), LiDAR, and high-resolution spectroscopy**, where performance is critical.

However, its **high cost, complexity, and specialized requirements** make it less suitable for **budget-sensitive or simple applications**. If your project does not absolutely require the features of a DFB laser (e.g., if a lower-cost FP laser or LED would work), you may find a more affordable alternative.

### **Recommendation**

- You need **high-precision, single-mode operation** at **1550 nm**.

- Your application involves **fiber optics, long-distance transmission, or advanced sensing**.

- You are working in a **research, industrial, or defense environment** where reliability and performance are non-negotiable.

- You already have compatible infrastructure (e.g., fiber, detectors, modulation equipment).

- Your budget is limited, and a **simpler laser (e.g., FP laser or LED)** would meet your needs.

- You require **tunability or multiple wavelengths**, which this fixed-wavelength DFB laser cannot provide.

- You lack experience with **laser alignment, fiber coupling, or telecom-grade components**, as additional training or support may be needed.

- **Compare specifications** with other DFB lasers (e.g., from Thorlabs, Newport, or IPG Photonics) to ensure you are getting the best value.

- **Check compatibility** with your existing setup (e.g., fiber type, connectors, power requirements).

- **Consult technical support** to confirm the module s suitability for your exact application.

- **Factor in total cost** (including drivers, controllers, and potential maintenance) rather than just the module price.

If your application demands **uncompromising performance** and you have the necessary infrastructure and expertise, this module is a **strong choice**. Otherwise, a more cost-effective alternative may be preferable.

Details:

Gooch Housego EM600 High-Power DFB Laser Module in fully working conditions and rarely used. Invisible laser radiation may be present. Integrated current source. CATV systems.

Laser seeding sources. Optical isolate. The EM600 integrates: High-power DFB laser diode. Buyer pays return shipping.

Temperature controller. DS-7044 REV 02 EM600 DFB Laser. Monitor detector amplifier, All operating from a single 5 V supply. PM fiber with FC/APC connector.

Optical sensing. RF phonic links. Attached PM fiber lead. The module is designed as a compact OEM solution for stable, low-noise fiber-coupled laser output.

Low noise, stable polarization. Integrated laser current and temperature control. PM fiber pigtail. Typical Applications: WDM transmission.

part #: em600-193400-100-pm250-fca-na prices

• $120.00-$1949.00

specifications industrlasemr:

• brand: Gooch Housego
• mpn: Em600-193400-100-pm250-fca-na
• part type: Laser Module
• output power: 100mw
• wavelength: 193.4 Thz

payments industrlasemr:

• credit card: Diners-club
• wallet: Apple-pay
• other

returns industrlasemr:

• time: 14 Days
• policy: Returns Accepted
• paid by: Buyer
• method: Money back

shipping industrlasemr:

• type: Calculated
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• cost: $19.48
• carrier: FedEx
• transit: 3-10 Days

offer industrlasemr:

• options: Ship-to-home
• started: February 11, 2026
• sold: 0
• best offers: True
• quantity: 1
• availability: In Stock

general industrlasemr:

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

seller industrlasemr:

• # reviews: 20
• city: Tucson, Arizona
• rating: 100.0%

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