Physics · Optical Fibers
ऑप्टिकल फाइबर में, समूह वेग vg, प्रति इकाई लंबाई समूह विलंब (group delay) τg, विक्षेपण मापदंड (dispersion parameter) D, संचरण नियतांक β, और तरंगदैर्ध्य λ के संबंध में निम्नलिखित कथन दिए गए हैं: (A) 1vg = τg = −λ22πc dβdλ (B) vg = −λ22πc dβdλ (C) D = −2πcλ2 β2, जहाँ β2 = d2βdω2 (D) β2 = −2πcλ2 × D (E) पदार्थ विक्षेपण (Material dispersion) तरंगदैर्ध्य (λ) का एक फलन है नीचे दिए गए विकल्पों में से सही उत्तर चुनिए:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1केवल (B), (D), (E)
- 2केवल (B), (C), (E)
- 3केवल (A), (E)
- 4केवल (A), (C), (E)✓
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केवल (A), (C), (E)
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