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Results for: 'Polarized light microscopy'

2:44

Phase objects - continued

By: plintilh

Describes how transparent objects may only retard light without diffracting it

2:12

Weekly Rites #6 - Mi Tian

By: mtian

I want to dance with the light but you cannot see me with light open. I think that is a cool idea though.

1:14

Sugarbush Management 1

By: uvmext

Sugar makers rely on healthy, abundant maple trees to provide sap each spring. Taken together a group of maple trees managed for sap collection is called a sugarbush. Developing a healthy, productive sugarbush takes time and effort. Forests are hi...

1:31

Sugarbush Management 2

By: uvmext

Late summer, while leaves are still green is a good time to assess the trees in your sugarbush. Weak or declining individuals will show areas of crown dieback. Trees with more than 75% dieback will likely not survive but are still competing for li...

1:24

Shade Tolerance 2

By: uvmext

As trees form, the size and shape of its stem and crown, will be impacted by living in a low light environment such as the forest's understory. So-called suppressed trees are able to capture just enough sun to survive. Sugar maples growing in the ...

2:28

Transform - diffraction - transform - image

By: plintilh

Spatial information in the rear focal plane.

2:42

Zero order has no information

By: plintilh

Spatial information is encoded in the diffracted rays.

3:35

Spatial deteil vs acceptance angle

By: plintilh

Acceptance angle of objective must be wide enough to collect at least first order diffracted rays

2:25

See back focal plane using telescope

By: plintilh

The rear focal plane of the objective can be observed using a telescope insert into the eyepiece tube.