概述
Dimension labs' Low Drift Optical Adjustment Frame is designed to provide a solution for applications that require long-term strict stability. Compared to traditional optical adjustment frames, low drift optical adjustment frames can effectively deal with beam misalignment caused by thermal hysteresis phenomena such as mirror position, crosstalk, drift, and air return, greatly reducing the impact of such factors and improving beam pointing stability.
Low Drift Jackscrew Fixed Optical Adjustment Frame
Characteristic: • Can install optical components with Ø 0.5in/Ø 20.0mm/Ø 1.0in/Ø1.5in/Ø2.0in/Ø3.0in; • By adjusting the M4 × 0.25/M6 × 0.25 precision axis, angle adjustment of ± 5 °/± 4 °/± 3 °/± 3.4 ° can be achieved; • Adopting a standard profile design and a detachable knob drive; • Adopting a low profile design and hexagonal drive inside; • Using pressure plates and locking screws to fix optical components results in less deformation; • Under cyclic variable temperature environment, the offset is less than 2 µ rad; The 1-inch low drift optical adjustment bracket of Dimension labs has a precision adjustment axis that can achieve angle adjustment of ± 5 °/± 4 °/± 3 °/± 3.4 °. The adjustment frame with three adjustment axes can also achieve Z-axis displacement of a certain stroke. The adjustment frame with low drift design has better durability and thermal performance compared to ordinary adjustment frames. Two types of adjustment shaft designs, one adopts a standard profile design and is driven by a detachable knob, which helps to improve fine resolution adjustment and is more convenient. A low profile design that is easy to install in narrow spaces and can be adjusted with a 1.5mm/2mm hex wrench. The optical components are fixed by side locking screws and pressure plates, which can effectively reduce deformation. Both sides have M4 countersunk holes, which can be freely selected when installing the connecting rod.
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Low Drift Thread Fixed Optical Adjustment Bracket
Characteristic: • Can install Ø 0.5/Ø 1.0 inch optical components or optical components with SM05/SM1 external threads; • By using the M6x0.25 adjustment shaft with a rolling knob, angle adjustment of ± 5 °/± 4 ° can be achieved; • Under cyclic variable temperature environment, the offset is less than 1 µ rad; The SM thread low drift reflection adjustment bracket of Dimension labs has multiple M6x0.25 adjustment axes, which can achieve angle adjustment of ± 5 °/± 4 °. Having three adjustment axes allows for additional Z-axis translation adjustment. Compared to three-axis adjustment, the two adjustment shafts use a hardened stainless steel ball instead of one adjustment shaft, retaining only the design of the two adjustment shafts to have higher installation stability by limiting the degree of freedom of movement. Two types of adjustment shaft designs, one adopts a standard profile design and is driven by a detachable knob, which helps to improve fine resolution adjustment and is more convenient. A low profile design that is easy to install in narrow spaces and can be adjusted with a 2mm hex wrench. The central hole is a standard SM05/SM1 threaded hole, which can be used to install Ø 0.5/Ø 1.0 inch optical components or optical components with SM05/SM1 external threads. Both sides have M4 countersunk holes, which can be freely selected when installing the connecting rod.
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Low Drift Upper Adjustment Reflection Adjustment Bracket
Characteristic: • Can install Ø 0.5/Ø 1.0 inch optical components; • Two M4x0.25 adjustable axes, capable of achieving ± 3 ° angle adjustment; • The elliptical locking mechanism provides locking function; • Under cyclic variable temperature environment, the offset is less than 1 µ rad; • Equipped with M4 threaded holes, it can be directly installed with connecting rods; The low Drift Upper Adjustment Reflection Adjustment bracket of Dimension labs is equipped with two M4x0.25 adjustment axes driven by hexagonal drivers at the top, located outside the optical path, which is very suitable for high-power lasers. The two high-precision adjustment axes can achieve ± 3 ° angle adjustment. The central hole can be used to install Ø 0.5/Ø 1.0 inch optical components, with two fixing methods available: snap ring fixing and top screw fixing. The bottom has three Ø 4.2mm through holes, which can be installed on the connecting rod with M4 cylindrical head screws;
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Low Drift Vertical Drive Optical Adjustment Frame
Characteristic: • Can install Ø 0.5/Ø 1.0 inch optical components; • Two precision adjustment axes can achieve ± 4 ° angle adjustment; • Adjustment accuracy: 0.65 °/rev; • The locking ring on the adjustment shaft needs to be separately purchased with a dedicated stainless steel locking ring wrench for locking; • The deviation after temperature cycling is less than 1 µ rad; • Both sides have countersunk holes for M4 for installing connecting rods; The low Drift Vertical Drive Optical Adjustment Frame of Dimension labs provides long-term stability and high-resolution adjustment through vertical drive. This design is used when there is no space behind the adjustment frame to use a level adjuster. The design of two adjustment axes improves the stability of the adjustment frame by limiting the degree of freedom of movement. The tighter springs used in these vertical drive adjustment frame constructions can improve stability and are ideal for reliable operation in unstable environments. The adjustment shaft can be conveniently adjusted using a 2.0mm hex wrench. Each adjustment shaft is equipped with an independent locking ring, which requires the purchase of a dedicated stainless steel locking ring wrench for locking. Both sides have countersunk holes for M4 for installing extension rods.
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Low Drift Optical Platform Adjustment Bracket
Characteristic: • Two precision adjustment axes, capable of achieving ± 4 ° angle adjustment; • The deviation after temperature cycling is less than 2 µ rad; • The platform can be installed horizontally or vertically; • The installation base has M4 threaded holes at the bottom and M4 countersunk holes (with M6 threads) on both sides, which can be used for installing connecting rods; • The pressure arm needs to be purchased separately; The low drift optical platform adjustment bracket of Dimension labs has a flat installation surface, which can achieve high-precision angle adjustment. The platform surface has 9 M4 threaded hole arrays, 1 through-hole for M4, and 1 M6 threaded hole for installing threaded components. The adjustment frame can be used in conjunction with the pressure arm to install rectangular prisms or cubic spectrometers. There are two locating pin holes around one M6 threaded hole and two M4 threaded holes, which can be used to accurately align the components installed on these holes. Recommend using standard Ø 2mm positioning pins. The adjustment frame has two precision adjustment shafts with rolling knobs, and the center of the adjustment shaft has an inner hexagonal hole, which can be adjusted using a 2.0mm hexagonal wrench. The installation base has M4 threaded holes at the bottom and M4 countersunk holes (with M6 threads) on both sides, which can be used for installing connecting rods.
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