• Athermalized Design for Excellent Thermal Stability
• Low Deflection Under Load
• Plated Steel Honeycomb Core and Internal Damping Provide Both Static and Dynamic Rigidity
• Magnetic Stainless Steel Top and Bottom Plate
• Excellent Surface Flatness, Achieved by Using a Single State-Of-The-Art Material and a Thermal Bonding Process

Thorlabs PBH12112, 4' x 2.5' x 4.3", Performance Optical Breadboard provides high performance at an economical price. This 4.3" thick optical breadboard provides high stiffness and standard damping making it an ideal solution for general lab purposes and a favorite OEM breadboard. This breadboard incorporates a double plate (top and bottom), single-honeycomb design, providing excellent stiffness and dynamic rigidity. In the Performance series, the top layer consists of a stainless steel top plate. The second layer adds the main steel honeycomb structure and the stainless steel bottom plate. The main honeycomb core is fabricated from strips of precision-formed plated steel, which is bonded together with a high tensile strength epoxy adhesive. This breadboard is stocked in the USA.

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• Finish and Construction
• Dimensions: 4' x 2.5' x 4.3"
• Breadboard Thickness: 110 mm (4.3")
• Flatness: ±0.15 mm (±0.006") over any 0.3 m²
• Construction: Double Plate, Single Honeycomb Core
• Top and Bottom Plates: Magnetic Stainless Steel, 5mm thick, Matched Materials for Athermalized Design
• Core: High-Density Plated Steel Honeycomb
• Damping: Proprietary Broadband Damping
• Sides: Black Laminated-Steel Sides, Slightly Inset
• Finish: Top Plate is Brush Finished
• Mounting
• 1/4"-20 Tapped Holes on 1 inch Centers
• Distance from Edge to First Holes: 2.0" on All Sides
• Max Screw Depth: 6 mm from Breadboard Surface