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LEICA DM4 P, DM2700 P, DM750 P 偏光顯微鏡

LEICA 偏光顯微鏡（Polarizing microscope）是偏光鏡檢的標竿顯微鏡.
DM4 P 研究級的電控式偏光顯微鏡.
DM2700 P 一般科研級偏光顯微鏡
DM750 P 教學與品管用偏光顯微鏡

定量偏光專用顯微鏡機身 (Strain-free optics )



If you would like to investigate crystalline structures, polarization microscopy will serve you best. Whether it be minerals, plastics and polymers, drugs and pharmaceuticals, or pigments and cement, with our polarization microscopes you will see what interests you most as a researcher or in quality assurance.
 
Depending on your application, you can choose from three different systems for polarization microscopy:
 
The fully coded and semi-automated Leica DM4 P
The manual Leica DM2700 P
The Leica DM750 P educational microscope
 


LEICA 是掌握定量偏光顯微鏡的翹楚領導地位, 四種核心元件, 都是 LEICA 的傑作 :
 
Strain-free optics
Strain-free optics, because you need to be sure that the observed birefringence results from the sample and not from the optics
 
LED illumination
LED illumination is crucial, because it lights the samples homogenously and at a constant color temperature
 
Polarizers
Polarizers will make birefringence visible and a rotatable stage enables you to align the sample and optical axis
 
Bertrand lens
You need a Bertrand lens for conoscopic observation of the optical axis and compensators for measurement tasks




1: Oily strikes of a cholesteric liquid crystal mixture. Crossed polarizers, magnification 10x.
2: Defective texture in planar aligned liquid crystal sample. Crossed polarizers, magnification 10x.
3: Liquid crystal, defective texture in a hybrid aligned cell. Crossed polarizers, magnification 5x.






1: DMT, crossed polarizers, magnification 20x
2: Orthopyroxine, crossed polarizers magnification 20x
3: Polyaethylen foil, crossed polarizers with lambda plate, magnification 20x













Get different sample information from different magnifications of the 6-objective nosepiece.

Use a 2.5x overview objective to identify macro structures in your sample
Change to 63x magnification for detailed investigations of optical properties by means of conoscopy
Switch to 100x to inspect phase reactions along grain boundaries

By the way: The nosepiece is also coded, so that it supports you intelligently.




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