COHERENT 1264453 Obis Ls Diode Laser Heatsink Fan 532NM 80MW Heatsink/fan

( Brand: Coherent ), ( Manufacturer Part Number: 1264453 ), ( Model: 532-OBIS ), ( Part Type: Fan Laser ), ( Output Power: 80mw ), ( Country Of Origin: United States ), ( Wavelength: 532nm )

Review COHERENT Obis 532nm Ls Diode Laser Heatsink/fan

The **COHERENT 1264453 OBIS 532 nm Laser Module** is a high-performance, compact, and precision-engineered laser system designed for demanding applications in scientific research, industrial metrology, and advanced optical experiments. This module integrates a robust **80 mW continuous-wave (CW) diode-pumped solid-state (DPSS) laser** operating at a wavelength of **532 nm**, which corresponds to the green portion of the visible spectrum, making it ideal for applications requiring bright, coherent illumination with minimal divergence. The laser is housed within a ruggedized, thermally managed enclosure that ensures stable operation across a wide range of environmental conditions, with an integrated **active heatsink and precision fan system** to dissipate heat efficiently and maintain optimal performance. The heatsink is engineered with high thermal conductivity materials and optimized airflow pathways to prevent thermal drift, which is critical for maintaining the laser s long-term wavelength stability and beam quality. The fan operates silently yet effectively, ensuring consistent cooling without introducing vibrational noise that could compromise sensitive measurements. This module is equipped with a **TOSLINK optical output** for reliable and low-loss signal transmission, along with a **digital control interface** that allows for precise tuning of laser parameters such as power output and beam alignment. The OBIS series is renowned for its **low noise, high coherence, and exceptional beam quality**, making it suitable for applications in holography, interferometry, microscopy, laser scanning, and optical trapping. Whether used in a laboratory setting for cutting-edge research or in industrial environments for precision measurement tasks, this laser module delivers unparalleled reliability and performance, backed by COHERENT s reputation for innovation and engineering excellence.

The **Coherent 1264453 OBIS 532 nm Laser Module** (80 mW, with heatsink/fan) is a high-performance solid-state laser designed for applications requiring precise, reliable green laser output. Below is a detailed analysis of its pros and cons, followed by a concluding recommendation.

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### **Pros**

1. **High Power and Stability**

The 80 mW output at 532 nm provides sufficient power for many applications, including laser marking, alignment, holography, and scientific research. The OBIS series is known for its excellent beam quality and long-term stability, making it suitable for demanding environments.

2. **Compact and Modular Design**

The module is designed for integration into larger systems, offering a compact footprint while maintaining performance. The inclusion of a heatsink and fan ensures reliable thermal management, extending the lifespan of the laser.

3. **Wavelength Flexibility**

532 nm is a versatile wavelength, ideal for applications requiring visible light (e.g., fluorescence excitation, alignment, and certain material processing tasks). It is also easily frequency-doubled from a 1064 nm source, which may be useful in hybrid setups.

4. **Coherent Brand Reliability**

Coherent is a well-established manufacturer in the laser industry, known for high-quality, durable, and well-supported products. Their modules often come with robust warranties and technical support.

5. **Fan-Assisted Cooling**

The inclusion of a fan ensures active thermal management, which is critical for maintaining consistent performance over extended use. This is particularly beneficial in applications where the laser may operate continuously or at high duty cycles.

6. **Compatibility with Control Systems**

The OBIS series is designed to interface with external control systems, allowing for precise modulation, beam steering, and synchronization with other optical components.

7. **Low Maintenance Requirements**

Solid-state lasers like this one typically require minimal maintenance compared to gas or dye lasers, reducing downtime and operational costs.

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### **Cons**

1. **Cost**

The Coherent OBIS 532 nm module is a premium product, and the 80 mW version with a heatsink/fan will likely be more expensive than lower-power alternatives from other manufacturers. For budget-conscious applications, lower-power or lower-end lasers may suffice.

2. **Power Consumption**

The inclusion of a fan and heatsink increases power consumption, which may be a consideration in battery-powered or energy-sensitive applications. However, for most lab or industrial setups, this is negligible.

3. **Size and Integration Challenges**

While compact, the module may still require careful integration into existing optical setups. Users may need to account for space constraints, especially if combining it with other optical components like lenses, mirrors, or beam expanders.

4. **Potential for Overkill in Low-Demand Applications**

If the application only requires a few milliwatts of power (e.g., simple alignment or low-power holography), the 80 mW output may be excessive, leading to unnecessary heat generation and higher operational costs.

5. **Dependence on External Power Supply**

The module requires a stable power source, and fluctuations or poor-quality power supplies could affect performance. Users must ensure their power system is compatible and well-regulated.

6. **Limited Customization**

Unlike some other laser systems, the OBIS module is a fixed-wavelength, fixed-power device. Users cannot easily adjust the wavelength or power output without additional hardware.

7. **Potential for Thermal Management Issues in Poor Environments**

While the fan and heatsink are effective, improper ventilation or placement in a confined space could lead to overheating. Users must ensure adequate airflow around the module.

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### **Conclusion**

The **Coherent 1264453 OBIS 532 nm Laser Module (80 mW, with heatsink/fan)** is an excellent choice for applications requiring high-power, stable, and reliable green laser output. Its strengths lie in its performance, durability, and integration capabilities, making it ideal for scientific research, industrial marking, alignment tasks, and other precision applications where beam quality and consistency are critical.

However, the higher cost and potential overkill for low-power applications may make it less suitable for budget-sensitive or low-demand uses. Additionally, users must ensure proper thermal management and power supply compatibility to maximize performance and longevity.

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### **Recommendation**

- You require a high-power (80 mW), stable, and reliable 532 nm laser for applications such as laser marking, holography, fluorescence excitation, or precision alignment.

- You need a modular, Coherent-branded solution with excellent beam quality and long-term stability.

- Your application demands active thermal management (e.g., continuous or high-duty-cycle operation).

- You are working in a lab or industrial setting where cost is not the primary concern, and reliability is paramount.

- Your application only requires a few milliwatts of power, and a lower-cost or lower-power laser would suffice.

- You are operating in a constrained budget environment where alternative brands or lower-power modules could meet your needs.

- You lack the space or infrastructure for proper thermal management (e.g., inadequate ventilation).

- You need customizable wavelength or power output, as this module offers fixed specifications.

For most professional or high-end applications, the **Coherent OBIS 532 nm module is a strong recommendation** due to its performance and reliability. However, always compare it with other options (e.g., lower-power alternatives or different brands) to ensure it aligns with your specific requirements.

Details:

Expedited shipping can be arranged upon request. Unit was obtained from surplus inventory no power cord, software, batteries or accessories provided. Local Pick-up is Available. Manufactures DETAILS: Other Notes of Interest:s.

part #: 1264453 prices

• $1400.00-$2560.00

specifications industrlasemr:

• brand: Coherent
• mpn: 1264453
• model: 532-obis
• part type: Fan Laser
• output power: 80mw
• country of origin: United States
• wavelength: 532nm

seller industrlasemr:

• city: Fremont, California
• rating: 99.8%
• # reviews: 19407

offer industrlasemr:

• availability: In Stock
• started: February 2, 2026
• quantity: 1
• options: Ship-to-home
• best offers: True
• sold: 0

returns industrlasemr:

• paid by: Buyer
• policy: Returns Accepted
• method: Money back
• time: 30 Days

payments industrlasemr:

• other
• credit card: Visa
• wallet: Apple-pay

shipping industrlasemr:

• cost: $30.50
• class: Standard, Expedited
• carrier: USPS, FedEx
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery
• type: Calculated
• transit: 3-9 Days

general industrlasemr:

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

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