Beam Dump
Beam Dump
This document provides technical specifications and usage guidelines for various optical mounts and systems, including mirror mounts, lens holders, and specialty optical mounts. It also covers post and rod systems, bases and brackets, rail systems, educational kits, and accessories.
Beam dumps are devices used to absorb incident light and capture unwanted beams, particularly in laboratory and instrumentation settings. The PL15 Beam Dump is highlighted for its efficiency, with a reflective factor of less than 10-4, making it fifty times more efficient than classical beam dumps. It is optimized for a wavelength range of 400-700 nm and can handle a maximum power of 30 W/cm2 CW.
- Beam Diameter, Max: 0.59 inches (15 mm)
- Reflectivity Factor: <10-4
- Maximum Power: 30 W/cm2 CW
- Mounting: 0.800-36 (M20.25) RMS thread
To maintain efficiency, the active surface of the beam dump should be kept clean of dust, grease, and scratches. Cleaning involves disassembling the unit and gently wiping the surface with a soft, clean tissue, avoiding concentric marks.
The PL15 Beam Dump is available with RMS thread mounting. Related products include RMS-threaded mounts and post mounting options.
Catalog excerpts
O p t o - M e c h a n i c s 701 Email: [email protected] • Web: newport.com TECHNICAL REFERENCE MIRROR MOUNTS LENS HOLDER SPECIALTY OPTICAL MOUNTS POST AND ROD SYSTEMS BASES AND BRACKETS RAIL SYSTEM EDUCATIONAL KITS ACCESSORIES Beam Dump Beam dumps absorb incident light and are used to capture unwanted beams. In the laboratory, they are used to stop stray laser beams; in instrumentation, they are used to contain a beam within a portion of the instrument. The anti-reflective property of a beam dump can be characterized by the apparent reflective factor. Incident light is reflected twice off a black cone whose reflection factor determines the observed reflection of the unit. The PL15 Beam Dump has a reflective factor of less than 10-4, fifty times more efficient than classical beam dumps. The active surface should be kept clean of dust, grease, and scratches to preserve the unit’s efficiency. To clean the active surface, disassemble the unit and gently wipe the surface with a soft clean tissue. Precaution should be taken to avoid concentric marks while cleaning. Specifications Beam Diameter, Max [in. (mm)] 0.59 (15) Reflectivity Factor <10-4 Maximum Power 30 W/cm2 CW Mounting 0.800-36 (M20.25) RMS thread Ordering Information Model Description PL15 Beam Dump, RMS thread • Absorbs incident light • Reflectivity factor <10-4 • Optimized for 400-700 nm wavelength range • Maximum power 30 W/cm2 • RMS thread mounting Related Products RMS-threaded mounts (see page 669) Post mounting options (see page 708) Model PL15 Ø 1.10 (28) 0.85 (21.5) Ø 0.26 (6.5) 0.80-36 (20.25) RMS 0.59 (15) See our website CADfor CAD files
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