ืจืืฉื™ ืžื’ื–ื™ืŸ Diffraction – ืžื” ืฉืืชื ื—ื™ื™ื‘ื™ื ืœื“ืขืช ื•ืื™ืš ื”ื™ื ืžืฉืคื™ืขื” ืขืœ ื”ืฆื™ืœื•ืžื™ื ืฉืœื›ื

Diffraction – ืžื” ืฉืืชื ื—ื™ื™ื‘ื™ื ืœื“ืขืช ื•ืื™ืš ื”ื™ื ืžืฉืคื™ืขื” ืขืœ ื”ืฆื™ืœื•ืžื™ื ืฉืœื›ื

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ืœื ืžืขื˜ ืฆืœืžื™ื ืžื•ื“ืขื™ื ืœืงื™ื•ืžื” ืฉืœ ืชื•ืคืขืช ื”-Diffraction (ื‘ืขื‘ืจื™ืช ืฉื‘ื™ืจื”/ืขืงื™ืคื”) ืืš ืœื ื™ื•ื“ืขื™ื ื‘ื“ื™ื•ืง ืœื”ืฉืคืขืชื”. ื”ืฆืœื ื”ืืžืจื™ืงื ื™ ืกื˜ื™ื‘ ืคืจื™ ืคืจืกื ืœืื—ืจื•ื ื” ืกืจื˜ื•ืŸ ืžืฆื•ื™ื™ืŸ ื‘ื• ื”ื•ื ืžืกื‘ื™ืจ ื‘ืฆื•ืจื” ื‘ืจื•ืจื” ื›ื™ืฆื“ ื”ืชื•ืคืขื” ื‘ืื” ืœื™ื“ื™ ื‘ื™ื˜ื•ื™ ื‘ืžืฆืœืžื•ืช ื•ืขื“ืฉื•ืช ืฉื•ื ื•ืช ื•ืžื” ืขืœื™ื ื• ื›ืฆืœืžื™ื ืœื“ืขืช ื‘ื ื•ืฉื.

ื”ืกืจื˜ื•ืŸ ืื•ืชื• ืžืฆื™ื’ ืคืจื™ ื”ื•ื ื”ื“ื’ืžื” ืžืฆื•ื™ื™ื ืช ืœืžืงืจื” ื‘ื• ืื™ืŸ ื”ื›ืจื— ืœื”ื‘ื™ืŸ ืืช ื›ืœ ื”ืคืจื˜ื™ื ื”ื ื•ื’ืขื™ื ืœืชื•ืคืขื” ืคื™ื–ื™ืงืœื™ืช ืžื•ืจื›ื‘ืช, ืื‘ืœ ืืคืฉืจ ื‘ื”ื—ืœื˜ ืœืœืžื•ื“ ื›ื™ืฆื“ ื”ื”ืฉืคืขื•ืช ืฉืœ ื”ืชื•ืคืขื” ืžืฉืœื™ื›ื•ืช ืขืœ ื”ื“ืจืš ืฉื‘ื” ืื ื• ืžืฆืœืžื™ื.

ืชื•ืคืขืช ื”ืฉื‘ื™ืจื”: ืฆืžืฆื ืกื’ื•ืจ ื™ื•ืชืจ = ืฉื‘ื™ืจื” = ืคื—ื•ืช ืคืจื˜ื™ื ื‘ืชืžื•ื ื” ื”ืกื•ืคื™ืช

Diffraction-

ืžื‘ืœื™ ืœื”ื™ื›ื ืก ื›ืืžื•ืจ ืœืกื™ื‘ื•ืช ื”ืื•ืคื˜ื™ื•ืช ืืคืฉืจ ืœื”ืกื‘ื™ืจ ืืช ื”ื”ืฉืคืขื•ืช ืฉืœ ืชื•ืคืขืช ื”ืฉื‘ื™ืจื” ื‘ืื•ืคืŸ ื”ื‘ื – ื›ื›ืœ ืฉืื ื• ืกื•ื’ืจื™ื ืืช ืฆืžืฆื ื”ืขื“ืฉื” ืื ื• ืขื“ื™ื ืœื™ืจื™ื“ื” ื”ื“ืจื’ืชื™ืช ื‘ื—ื“ื•ืช. ืื ื›ืš ืžื“ื•ืข ืžืจื‘ื™ืช ื”ืขื“ืฉื•ืช ืื™ื ืŸ ื—ื“ื•ืช ื‘ื”ื›ืจื— ื‘ืฆืžืฆื ื”ืคืชื•ื— ื‘ื™ื•ืชืจ (ืืœื ืœืจื•ื‘ ื›ืฉื ื™ ืกื˜ื•ืคื™ื ืื—ืจื™ื•)? ื’ื ืœื›ืš ื™ืฉ ืœืคืจื™ ื”ืกื‘ืจ ื‘ืกืจื˜ื•ืŸ. ื‘ื›ืœ ืžืงืจื” ืœืจื•ื‘ ืื ื• ื ืชื—ื™ืœ ืœืจืื•ืช ื‘ืฆื•ืจื” ื‘ื•ืœื˜ืช ืืช ืชื•ืคืขื•ืช ื”ืฉื‘ื™ืจื” ื‘ืฆืžืฆืžื™ื ืกื’ื•ืจื™ื ื™ื—ืกื™ืช (ืื—ืจื™ f/8 ื•ืœืจื•ื‘ ืกื‘ื™ื‘ f/11 ืื• f/16 ื›ืคื™ ืฉืคืจื™ ืžื“ื’ื™ื ื‘ืกืจื˜ื•ืŸ ืœืžื˜ื”).

ืกื˜ื™ื‘ ืคืจื™ ื•ื›ืœ ืžื” ืฉืคื—ื“ืชื ืœืฉืื•ืœ ืขืœ ืชื•ืคืขืช ื”ืฉื‘ื™ืจื”ย 

[youtube]https://www.youtube.com/watch?v=N0FXoWdHXTk[/youtube]

ื‘ืžืกื’ืจืช ื”ืกืจื˜ื•ืŸ ืคืจื™ ืžืชื™ื™ื—ืก ืœืฉื•ืจื” ืฉืœ ื ื•ืฉืื™ื ื‘ื™ื ื™ื”ื ืœืฉืืœื” ื”ืื ื—ื™ื™ืฉื ื™ื ื‘ืขืœื™ ืจื–ื•ืœื•ืฆื™ื” ื’ื‘ื•ื”ื” ื™ื•ืชืจ ืžื•ืฉืคืขื™ื ืžื”ืชื•ืคืขื” ื™ื•ืชืจ (ืงืจื™ ื‘ืฆืžืฆื ืคืชื•ื— ื™ื•ืชืจ), ื”ืื ื”ืžืฉืžืขื•ืช ืฉืœ ืฉื‘ื™ืจื” ืชืœื•ื™ื” ื‘ืขื•ื“ ื”ื™ื‘ื˜ื™ื (ื‘ืขื“ืฉื” ื”ืกืคืฆื™ืคื™ืช ืœืžืฉืœ) ื•ื”ืื ื™ืฉ ื“ืจืš ืœื”ื—ื–ื™ืจ ื—ืœืง ืžื”ืคืจื˜ื™ื ืฉื ืคื’ืขื• ื›ืชื•ืฆืื” ืžื”ืฉื‘ื™ืจื”.

ืื ื• ืคืจืกืžื ื• ื‘ืขื‘ืจ ืฉื•ืจื” ืฉืœ ืกืจื˜ื•ื ื™ื ืžื•ืฆืœื—ื™ื ืžืื“ ืฉืœ ืคืจื™ ืืฉืจ ื–ื›ื• ืœืฆืคื™ื•ืช ืจื‘ื•ืช ื›ื•ืœืœ ืกืจื˜ื•ืŸย ื‘ื ื•ืฉื ืคืจืกืคืงื˜ื™ื‘ื”ย ืืฉืจ ื”ื™ื›ื” ื’ืœื™ื ื•ื–ื›ื” ืœืฆืคื™ื•ืช ื•ืชื’ื•ื‘ื•ืช ืžืจื•ื‘ื•ืช ืžืื“ (ื•ื‘ืฆื“ืง) ื•ื‘ืขืงื‘ื•ืชื™ื• ืคืจืกืžื ื• ื›ืืŸ ื’ืย ืกืจื˜ื•ืŸ ื”ืขื•ืกืง ื‘ื˜ื™ืคื™ื (ื•ื˜ืจื™ืงื™ื) ืœืฉื™ืžื•ืฉ ื‘ืคื™ืœื˜ืจ ืžืงื˜ื‘ย ืืฉืจ ื’ื ื”ื•ื ื–ื›ื” ืœืœื ืžืขื˜ ืฆืคื™ื•ืช. ืœืื—ืจื•ื ื” ืคืจืกืžื ื• ื’ื ืกืจื˜ื•ืŸ ืฉืœ ืคืจื™ ืชื—ืช ื”ื›ื•ืชืจืช "ื”ื˜ื™ืค ื”ืื•ืœื˜ื™ืžื˜ื™ื‘ื™: ื—ืฉื™ืคื” ืžื•ืฉืœืžืช ื‘ื’ืžื™ืฉื•ืช ืžื™ืจื‘ื™ืช" ื‘ื• ืžื•ืฆื’ืช ื˜ื›ื ื™ืงื” ื‘ื” ืื ื• ืขืฆืžื ื• ืžืฉืชืžืฉื™ื ืžื–ื” ื–ืžืŸ ืœืฉืœื™ื˜ื” ื˜ื•ื‘ื” ื™ื•ืชืจ ื‘ื—ืฉื™ืคื”.

ื˜ืขืŸ ืขื•ื“ ื›ืชื‘ื•ืช ืงืฉื•ืจื•ืช
ื˜ืขืŸ ืขื•ื“ ื‘ ืžื’ื–ื™ืŸ

ื›ืชื™ื‘ืช ืชื’ื•ื‘ื”

ื”ืื™ืžื™ื™ืœ ืœื ื™ื•ืฆื’ ื‘ืืชืจ. ืฉื“ื•ืช ื”ื—ื•ื‘ื” ืžืกื•ืžื ื™ื *