Olympus U-CTB Gebruiksaanwijzing - Pagina 10

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U-CBE, U-CTB

4-1 Berek Compensator (U-CBE), Thick Berek Compensator (U-CTB)

Fig. 2-1

Fig. 2-2

PREPARATION AND MEASUREMENT

Measuring

} If an interference filter (IF 546 or IF 550) is available, use of

Adjusting the Extinction

1. Position the specimen on the rotatable stage (U-SRP) and

Adjusting the Rotation Position

} Do not use the interference filter in this adjustment.

Interference

1. Rotate the stage until it attains the position of extinction

fringe

2. Rotate the stage further by +45° and then clamp it.

3. Rotate the compensator knob and set the U-CBE or U-CTB

4. Insert the U-CBE or U-CTB into the test plate adapter (U-TAD)

this filter will improve measurement accuracy.

focus on the specimen.

(position where the observed portion of the specimen looks

darkest).

scale to position 30°.

or polarization attachment (U-PA) as far as it will go.