OCLARO LC96L76-20R Fbg Stabilized Cooled Laser Pump Module 976NM 500MW 14-PIN

( Brand: Oclaro ), ( Manufacturer Part Number: LC96L76-20R ), ( Part Type: Laser Pump Module )

Review OCLARO 976nm Fbg Stabilized Cooled 14-pin Laser Pump Module used

The **Oclaro LC96L76-20R 976nm 500mW Fiber Bragg Grating (FBG) Stabilized, Cooled, 14-Pin Laser Pump Module (Used)** represents a high-performance, industrial-grade optical solution designed for precision laser pumping applications in fiber lasers, amplifiers, and advanced photonic systems. This module operates at a near-infrared wavelength of **976nm**, a critical band for efficiently pumping erbium-doped fiber amplifiers (EDFAs) and ytterbium-doped fiber lasers (YDFLs), where it delivers a stable and reliable output power of **500mW**. The inclusion of **Fiber Bragg Grating (FBG) stabilization** ensures exceptional wavelength accuracy and long-term spectral consistency, minimizing drift and optimizing coupling efficiency into doped fiber cores. This feature is particularly valuable in high-precision applications where wavelength stability directly impacts system performance, such as in telecommunications, medical imaging, or industrial laser processing.

Built with durability in mind, this module is **thermally stabilized and actively cooled**, featuring a robust design that maintains optimal operating conditions even under sustained use. The **14-pin connector interface** facilitates seamless integration into existing laser systems, offering compatibility with standard fiber optic and control signal inputs. The cooling mechanism, likely incorporating a thermoelectric cooler (TEC) or similar technology, helps regulate temperature fluctuations, which is essential for preserving output power stability and extending the module s operational lifespan. While this unit is **used**, it retains its core functionality and is well-suited for applications where cost-effectiveness and reliability are prioritized over brand-new components.

Ideal for researchers, engineers, or manufacturers working with fiber-based laser systems, this pump module excels in environments where consistent power delivery and wavelength precision are non-negotiable. Its compact yet rugged construction makes it adaptable for integration into custom laser setups, while its **500mW output** provides sufficient power for moderate to high-efficiency pumping scenarios. Whether used in prototyping, educational demonstrations, or field-deployed systems, this module offers a balance of performance and practicality, making it a versatile choice for those seeking a dependable optical pump source without the premium cost of a new unit. Potential users should verify compatibility with their specific fiber type and system requirements, as well as assess the module s condition such as fiber integrity, connector cleanliness, and overall mechanical stability to ensure optimal performance in their intended application.

**Pros and Cons of buying a Oclaro LC96L76-20R (976nm, 500mW, FBG-Stabilized, Cooled, 14-Pin) Used Laser Pump Module**

### **Pros**

1. **High Power and Stability** The 500mW output at 976nm is suitable for pumping solid-state lasers (e.g., Nd:YAG, Nd:YVO4) or fiber lasers, offering reliable performance for applications requiring moderate power.

2. **FBG Stabilization** Fiber Bragg grating (FBG) stabilization ensures wavelength precision, reducing drift and improving consistency, which is critical for laser systems where spectral purity matters.

3. **Cooling Mechanism** The module is actively cooled (likely thermoelectric or Peltier), which helps maintain stable output and extends the lifespan of the laser diode by preventing overheating.

4. **Compatibility** The 14-pin connector is standard for many laser systems, making integration easier if you already have a compatible driver or housing.

5. **Cost Savings** Purchasing a used unit can significantly reduce upfront costs compared to buying new, especially for high-quality industrial-grade components.

6. **Proven Performance** If sourced from a reputable seller with proper documentation (e.g., test reports, usage history), the module may still function near its original specifications.

7. **Versatility** The 976nm wavelength is widely used for diode-pumped solid-state lasers (DPSS), making it adaptable for research, medical, or industrial applications.

### **Cons**

1. **Wear and Tear** Used modules may have degraded performance due to extended use, even if the seller claims they are in good condition. Key concerns include:

- **Diode Efficiency Loss** Over time, laser diodes can suffer from reduced output power or increased threshold current.

- **Cooling System Degradation** The thermoelectric cooler (TEC) or heat sink may be less effective, leading to thermal instability.

- **Connector or Wiring Issues** Loose connections, oxidation, or damaged fibers could cause intermittent failures.

2. **Lack of Warranty** New units typically come with warranties; used units often do not, leaving you without recourse if the module fails shortly after purchase.

3. **Testing and Verification Challenges** Without access to a lab or proper testing equipment, it s difficult to verify the module s actual performance (e.g., spectral purity, power stability, or lifetime remaining).

4. **Risk of Counterfeit or Misrepresented Units** The market for used laser modules can be flooded with refurbished or repackaged units that may not meet original specifications. Sellers may exaggerate performance without supporting data.

5. **Compatibility Risks** Even if the connector matches, the driver or power supply requirements (voltage, current, modulation) may not align perfectly with the used module s needs, leading to damage if mismatched.

6. **Limited Lifespan** Laser diodes have finite lifespans (often measured in thousands of hours). A used module may have already consumed a significant portion of its operational life.

7. **Hidden Damage** Internal issues like cracked fibers, delaminated FBG coatings, or failed cooling components are not always visible during a cursory inspection.

### **Ending Conclusion**

Buying a used Oclaro LC96L76-20R laser pump module can be a cost-effective solution if you are working within a tight budget and the module is sourced from a trusted vendor with verifiable performance metrics. However, the risks of degraded performance, lack of warranty, and potential compatibility issues make this purchase more suitable for experienced users who can thoroughly test the module before integration. For critical applications where reliability and longevity are paramount, a new or refurbished unit with a warranty is strongly recommended.

### **Recommendation**

- **Verify the seller s reputation** and request detailed documentation (e.g., recent power output measurements, wavelength stability tests, and usage history).

- **Test the module independently** if possible, checking for consistent power output, spectral purity, and thermal stability under load.

- **Budget for contingencies** account for potential replacement costs if the module fails prematurely.

- **Consider a refurbished unit** from a reputable supplier (e.g., authorized distributors or laser component recyclers) if available, as these often come with partial warranties and testing.

- **Purchase a new or certified-refurbished unit** from a trusted manufacturer or distributor to avoid performance uncertainties.

- **Assess long-term costs** while a used module saves upfront, the risk of downtime or failure may outweigh the savings in the long run.

- **Explore alternatives** such as lower-power new modules or different wavelengths if the application allows flexibility.

Ultimately, the decision depends on your risk tolerance, budget, and the criticality of the laser system to your work. For most professional or high-stakes applications, the added assurance of a new or refurbished module is justified.

Details:

Oclaro 976nm 500mW FBG Stabilized Cooled 14-pin Laser Pump Module, used.

part #: lc96l7620r prices

• $78.00-$500.00

specifications industrlasemr:

• brand: Oclaro
• mpn: Lc96l76-20r
• part type: Laser Pump Module

shipping industrlasemr:

• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• type: Fixed
• transit: 3-8 Days
• cost: $15.00

general industrlasemr:

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

returns industrlasemr:

• policy: No Returns

payments industrlasemr:

• other
• wallet: Paypal
• credit card: Mastercard

seller industrlasemr:

• city: Pittsboro, North Carolina
• # reviews: 79
• rating: 100.0%

offer industrlasemr:

• options: Ship-to-home
• started: May 26, 2026
• availability: In Stock
• sold: 0
• quantity: 1

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