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A temperature measurement technique using optical channel as a signal transmitting media Cover

A temperature measurement technique using optical channel as a signal transmitting media

Open Access
|Feb 2024

Figures & Tables

Figure 1:

Block diagram of proposed indicator transmitter.
Block diagram of proposed indicator transmitter.

Figure 2:

Flow chart of method used.
Flow chart of method used.

Figure 3:

Complete circuit diagram of temperature measurement system.
Complete circuit diagram of temperature measurement system.

Figure 4:

Static Characteristics of transducer. (a) Thermocouple output voltage against water bath temperature. (b) Its % Deviation curve four times increasing decreasing. (c) Standard Deviation curve. (d) Uncertainty curve.
Static Characteristics of transducer. (a) Thermocouple output voltage against water bath temperature. (b) Its % Deviation curve four times increasing decreasing. (c) Standard Deviation curve. (d) Uncertainty curve.

Figure 5:

Static Characteristics of signal conditioning circuit. (a) Signal conditioning circuit output voltage against water bath temperature. (b) Its % Deviation curve four times increasing decreasing. (c) Standard Deviation curve. (d) Uncertainty curve.
Static Characteristics of signal conditioning circuit. (a) Signal conditioning circuit output voltage against water bath temperature. (b) Its % Deviation curve four times increasing decreasing. (c) Standard Deviation curve. (d) Uncertainty curve.

Figure 6:

Normalized Output power. (a) Normalized output at port-1. (b) Normalized output at port-2.
Normalized Output power. (a) Normalized output at port-1. (b) Normalized output at port-2.

Figure 7:

Static Characteristics of transmitter. (a) Thermocouple output voltage against water bath temperature. (b) Its % Deviation curve four times increasing decreasing. (c) Standard Deviation curve. (d) Uncertainty curve.
Static Characteristics of transmitter. (a) Thermocouple output voltage against water bath temperature. (b) Its % Deviation curve four times increasing decreasing. (c) Standard Deviation curve. (d) Uncertainty curve.

Figure 8:

Simulation structure of MZI.
Simulation structure of MZI.

Specifications for the construction of the proposed optical amplitude modulator

ParametersValue of parameters
1) Wavelength (λ)1.3 μm
2) Separation between the electrodes (d)6 μm
3) Refractive index of the substrate material (n)1.47
4) Electro-optic coefficients (r)3.66 × 10−10 m/v
5) Length of the EO material (L)10,000 μm
6) Cladding dielectric material refractive index1
7) Cladding thickness2 μm
8) Lateral Ti diffusion length3.5 μm
9) Ti-diffusion length in depth4.2 μm
10) Length of the device33 mm
11) Width of the devices100 μm
12) Substrate material and thicknessLithium Niobate, 10 μm
13) The Refractive index of the buffer layer1.47
14) The horizontal and vertical permittivity of the buffer layer4
15) Thickness of the buffer layer0.3 μm
16) The thickness of the developed electrode on the buffer layer4 μm
17) Width of the first, second, and third electrodes50 μm, 26 μm, and 50 μm
18) Gap between electrodes 1 and 26 μm
19) Gap between electrodes 2 and 36 μm
20) Spatial overlap Γ1

Specific parameters of proposed model

Sr. No.ProposedSensitivityHysteresis (%)Accuracy (%)
1Transducer1. 54mV/lpm1.831.844
2Signal conditioning0.2214V/lpm2.262.97
3MZI output0.0316 Normalized power/lpm1.332.154
Language: English
Submitted on: Oct 23, 2023
Published on: Feb 27, 2024
Published by: Professor Subhas Chandra Mukhopadhyay
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2024 Anindya Ghosh, Brajesh Kumar, Sushila Sharma, Vinay Kumar Chaudhary, Rajan Sarkar, published by Professor Subhas Chandra Mukhopadhyay
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 17 (2024): Issue 1 (January 2024)