Optical Post, 355.6 mm Height, 38.1 Diameter, M6 Thread
Model: M-40
Product Series Overview
1.5 in. Optical Support RodsThe M-40 Standard Metric Rod has suitable sturdiness for most general laboratory applications. Made entirely of steel, it has a 38.1 mm diameter and is 355.6 mm tall. Steel provides much greater dynamic rigidity than aluminum due to its almost order-of-magnitude greater material loss factor. This means the M-41 rod has a high resonant frequency and correspondingly low vibration amplitude required for optical laboratory use. Also, with its inherently greater stiffness and strength, it supports larger loads with greater stability. Steel construction has other advantages such as half the thermal expansion coefficient of aluminum and a higher heat capacity so thermal stability is enhanced.
1.5 inch Diameter Steel Tubing Construction
Newport optical support rods are made of 1.5 in.(38.1 mm) diameter steel tubing, whose material properties allow for greater dynamic rigidity than aluminum designs, as well as thermal stability. The optical support rods are made round to < 1/1000 of an in. (12 µm) for precise, reproducible mating of rod-mounted components. The matte finish of the rods provides a low-reflectivity surface that is resistant to gouging, scratching and corrosion. The hollow-core construction provides even the standard (undamped) support rods with lower vibration amplitudes and higher resonant frequencies, often preferred for sensitive optical systems. The inherently greater stiffness and strength of these steel rods provides its support for larger and heavier optical components.
Convenient Table Mounting
Accessories for a Variety of Applications
Newport has designed several accessories that securely mount onto 1.5 in. rods to support and enhance a variety of applications. Optical support platforms are available to provide stable mounting surfaces for optical components at any orientation, angle and height on the post. Our Quick Disconnect Optical Rod Clamps allow components to be detached and attached quickly and easily, which is beneficial when changing or experimenting with different setups. The 625-RC Kinematic Mirror Mounts enable precise beam positioning for 2, 4, and 6 in. diameter mirrors, with either 100-TPI adjustment screws or micrometers for an orthogonal 10° angular adjustment range.
Resources & Downloads
Drawings And Cad
Models 40-41-S(70.7 kB, PDF)
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