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| Part No. |
MDE187 |
| Price |
Call For Quote |
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- Based on ultra-stable patented* design XYZ flexure stage
- 2 mm linear travel in XYZ axes with 20 nm resolution
- Pitch and yaw adjustments about a single point in space in a true arc with no cross-talk
- Pitch and yaw resolution < 0.1 arc secs
- Roll adjustable through full 360° rotation
- Roll resolution 5 arc seconds
- Optical axis height 125mm
- Slotted design for easy insertion and removal of fibre
- V-block preset on axis with less than 1µm concentricity error
- V-block can be re-centred by user
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The model MDE187, 6-axis positioner is built up from the Elliot GoldTM Series of micro-positioning precision components. It facilitates precise manual adjustment in XYZ linear axes, plus pitch (θY), yaw (θZ) and roll (θX) with excellent accuracy and long term stability.
6-Axis positioner comprising:
Model MDE122 Elliot GoldTM Series XYZ flexure stage fitted with high precision manual adjusters
MDE185 Pitch and Yaw Stage with High Precision Adjusters
MDE717 High Precision Fibre Rotator
MDE154 Clamp Set
Specifications
XYZ flexure stage
Model |
MDE122 |
Configuration |
Right handed version |
Adjuster Type |
3x High precision adjusters (Model MDE216) utilizing a patented** lever system with rotary fine and coarse control |
Stage travel |
2mm in X, Y and Z axes |
Resolution |
20 nm |
Load capacity |
4.5kg |
Arcuate Displacement |
X axis20µm (at maximum range of travel)
Y and Z axes 14µm (at maximum range of travel) |
Optical axis |
The optical height of all Flexure Stage accessories is 18mm above the top plate. Therefore, the optical axis height of a mounted accessory is 94mm above the bottom of the stage. |
Pitch and Yaw Stag
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Model |
MDE185 |
Configuration |
Right handed version |
Adjuster Type |
2x High precision adjusters (Model MDE216) utilizing a patented** lever system with rotary fine and coarse control |
Range |
θZ (yaw) |
Coarse adjustment |
± 5º |
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Fine adjustment |
± 0.1º |
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θY (pitch) |
Coarse adjustment |
± 3º |
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Fine adjustment |
± 0.1º |
Resolution |
θZ (yaw) |
Coarse adjustment |
5.5 arc seconds |
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Fine adjustment |
<0.1 arc seconds |
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θY (pitch) |
Coarse adjustment |
5.5 arc seconds |
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Fine adjustment |
<0.1 arc seconds |
Optical axis |
When MDE185 is mounted onto an Elliot GoldTM Series XYZ flexure stage, the optical axis height is 125mm above the bottom of the stage. |
Cross-talk |
No cross-talk - Rotation in a true arc |
Visual Indicator |
Swing-out pointer identifies the centre of rotation |
Rotation Stage:
Model |
MDE717 |
Rotation adjustment |
360° |
Coarse adjustment |
Engraved scale +/-90°, vernier reads to 30 arc
minutes |
Fine adjustment |
Screw with 5 arc seconds resolution |
Range |
+/-5° |
Fibre fixturing |
Fibre held in double V-groove by two clamp arms |
Clamp load |
Adjustable 25g to 125g |
V-block preset on axis with less than 1µm concentricity error |
V-block can be re-centred by user |
Standard V-groove for 125/250µm fitted |
Split spring sleeve retains fibre in slot at the control end and prevents fouling during rotation |
Options and Accessories
Alternative adjusters (simple, high precision, piezo, motorized)
Alternate rotator
Fibre array rotator (MDE884LH)
Alternate fibre holders
V-groove custom sizes available
Flexure stage accessories (objective mounts, plates, clamps)
Custom configurations
* Patent Nos GB 2129955B USA 4635887
** Patent Nos GB 2152616B USA 4617833 
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