GATE IN · 2026 · IN
Question 64: Sensors and Industrial Instrumentation
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Question 64
INNAT2 marksNeeds review
For a fiber Bragg grating-based sensor, the shift in the Bragg wavelength gives information about the value of the measured. For a Bragg wavelength of 1550 nm and effective index of 1.44, the grating period is ______ nm.
(rounded off to two decimal places)
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2026IN
GATE IN 2026 · Paper 1
Instrumentation Engineering · Original paper archive
- Section
- Instrumentation Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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