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mechonics AG (Munich, Germany) has specialized in stick-slip piezo inertia positioning for over two decades: nanometre steps accumulate into millimetre-range travel, with self-locking position hold at zero power and no heat. Ideal where space is tight, in vacuum (UHV editions) and cryogenic setups, or wherever position must hold through power-off. Product lines: MS/ML/DS miniature linear stages (3.5–30 mm travel, XY/XYZ stackable), MK single-mode fiber couplers, CU/CF/CH drive controllers and NOVA multi-axis controllers. Nahshon is the mechonics distributor for Taiwan.

mechonics Linear Positioners Monomode Coupler MK.025.100A

Product Overview

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Monomode Coupler/Linear Positioners

MK.025.100A

MK25 FC coupler 0.4

mechonics Distributor Asia

Travel2 mm
Velocity1.2 mm/s
Mass58 g

Product Features

Very compact triaxial monomode fiber coupler stage
For FC connector with an NA of 0.4
2 mm adjustment travel per axis
3.7 mm clear aperture, only 58 g

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Product Description

The MK25 is a miniature monomode fiber coupler with piezo electric inertial motors. This version accepts FC connectors and provides a numerical aperture (NA) of 0.4. Motorized adjustment travel of 2 mm in all three axes couples laser light efficiently into monomode fibers without tedious manual alignment.

The complete coupler measures only 35 x 25 x 27.5 mm and weighs 58 g, with a clear aperture of 3.7 mm and adjustment speeds of up to 1.2 mm/s. It is operated with controllers such as the CF30, CH30 or CU30CL. NA 0.38 and vacuum editions are available.

Product Specifications

Specification	Unit	MK25 FC coupler 0.4
Fiber connector	-	FC
Numerical aperture (NA)	-	0.4
Clear aperture	mm	3.7
Travel (3 axes)	mm	2
Velocity	mm/s	1.2
Dimensions (W x D x H)	mm	35 x 25 x 27.5
Mass	g	58

FAQ

How do I choose between precision grades C3, C5 and C7?

For measurement and machining equipment that need high positioning accuracy, choose the ground-finish C3/C5 grades; for general material handling and automation mechanisms, the rolled-finish C7 grade is sufficient and offers a cost and lead-time advantage.

Can the shaft ends be custom-machined?

Yes. Nahshon offers custom shaft-end machining for NSK ball screws, completing shaft-end turning and heat treatment to your drawings, saving you the in-house machining step.

How do I confirm pricing and lead time for MK.025.100A?

Nahshon is the NSK distributor in Taiwan. Add MK.025.100A to your inquiry list along with your stroke, load and operating conditions, and we'll confirm the specification, quote and lead time.