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MKS Instruments / Ophir FL300A-LP-SH Thermopile Surface Absorber Head

SKU: FL300A-LP-SHCategories: Laser Power / Energy Meters
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The Ophir FL300A-LP-SH is a thermopile laser power sensor designed for measuring laser power up to 300W. It features a surface absorber and is suitable for a variety of laser types and wavelengths. Its compact design and high damage threshold make it ideal for demanding laser applications.

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Equipment info

The MKS Instruments / Ophir FL300A-LP-SH is a thermopile surface absorber head designed for high-power laser measurement across a broad spectral range. This fan-cooled sensor delivers accurate power and energy readings up to 300W with ±3% accuracy, making it suitable for demanding industrial and research laser applications. The large Ø50mm aperture and LP damage-resistant coating enable operation at power densities up to 10 kW/cm², while the integrated SH to BNC adapter connects directly to Ophir digital scales and compatible voltage-measuring instruments.

– Technical Specifications

• Spectral Range: 0.19 µm to 20 µm (spectrally flat)
• Maximum Average Power: 300W
• Maximum Power Density: 10 kW/cm²
• Aperture Diameter: Ø50mm
• Power Accuracy: ±3%
• Power Linearity: ±2%
• Response Time (0–95%): 2.5s
• Energy Scales: 300J / 30J / 3J
• Energy Threshold: 50 mJ
• Surface Uniformity: ±2% over central 70%
• Cooling: Fan cooled
• Absorber Type: LP coating (damage resistant)

– Key Features

• High damage threshold suitable for demanding laser environments
• Spectrally flat response across UV, visible, and infrared wavelengths
• SH to BNC adapter for direct connection to measurement interfaces
• Large aperture geometry for efficient thermal collection
• Fast thermal response enabling real-time power monitoring

– Typical Applications

• Industrial laser machining and materials processing
• High-power laser characterization and validation
• Research and development testing across multiple wavelengths
• Multi-kilowatt laser beam profiling and power verification

– Compatibility & Integration

The FL300A-LP-SH integrates with Ophir digital power scales (300W/30W series) and legacy instruments supporting SH connector inputs. Smart display compatibility includes Centauri, StarBright, StarLite, Juno, and Juno+ systems.

MPN

FL300A-LP-SH

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Product Condition & Availability
MKS Instruments / Ophir FL300A-LP-SH Thermopile Surface Absorber Head is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.

 

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Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.

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With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.

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We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.

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We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.

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