| 1. | This lowers the refractive index, defocusing the propagating light beam.
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| 2. | Propagation then proceeds in a series of repeated focusing and defocusing steps.
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| 3. | Thus one can easily alter the shape of the CTF by defocusing the sample.
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| 4. | The detector is now sensitive to any focusing or defocusing that a sample may induce.
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| 5. | Contrary to optical applications, defocusing can actually increase the precision and interpretability of the micrographs.
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| 6. | Since the energy never exceeds breakdown, the air never blooms, and defocusing is reduced.
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| 7. | Defocusing your eyes briefly may help too . 03 : 41, 9 December 2005 ( UTC)
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| 8. | The plasma has an index of refraction lower than one, and causes a defocusing of the laser beam.
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| 9. | Being farther from center, they experience a stronger field when the field is focusing than when it is defocusing.
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| 10. | Deflection fields bend the lines of force ( with negligible defocusing ), and the electrons follow the lines of force.
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