ELEC0078
Coursework for final assessment.
Question: After reading about this review on the development of photonic based biosensors, please write a report covering the following questions;
• What are the key differences between the different biosensors presented in the paper?
• Does any element of the systems require to be built as a coherent photonic system?
• Please be specific on what element in the paper correspond to, or would require a, coherent photonic systems.
• Are there some subsystems used that were seen during the lectures?
• Considering the simple Mach Zehnder senser shown in Fig 1a, derive a sensor sensitivity in terms of minimum refractive index change that can be measured. You might have to make some assumption on the laser source used and the detection system used.
• Please state any assumption you make to assess those parameters.
• The report should not be more than 5000 words and/or 10 pages including figures.
| 
 
  | 
 Fail (<40%)  | 
 Condoned (40- 49%)  | 
 Pass (50-59%)  | 
 Merit (60-69%)  | 
 Distinction (70%-84%)  | 
 High Distinction (>85%)  | 
| 
 Structure of the report (15% of total)  | 
 The report has no structure and does not flow logically  | 
 The report has the premise of a structure, but the flow is not logical.  | 
 There is some logic in the structure. But some gaps are still present  | 
 The structure is sound and flows logically. It is not complete (Small element missing in discussions and details)  | 
 The structure is sound and flows logically. The level of details is excellent with a high level of analysis.  | 
 The structure is at a standard that could be published in a peer–reviewed journal  | 
| 
 Technical details of the photonic systems (50% of total)  | 
 None of the photonic systems elements for the systems have been described in the report.  | 
 Only one of the photonic systems for the systems have been well presented.  | 
 Half of the photonic system elements for the systems have been well presented.  | 
 Most of the photonic system elements have been presented in detail.  | 
 All the photonic system elements for the systems have been presented.  | 
 The level of details is very high and at a standard expected for peer review.  | 
| 
 Derivation on the systems comparison (35%) of total  | 
 No derivation to estimate the sensitivity of the sensor is presented.  | 
 The start of the derivation is presented.  | 
 A derivation based on the lecture notes is presented. It still needs to be linked to the actual systems.  | 
 The derivation is fully linked to the actual systems and lead to a conclusion. Some mistakes are remaining.  | 
 Full derivation done and related to the system. Detailed conclusion and clear assumption on the system stated.  | 
 The conclusions on resolution are advanced. Discussion are added on system improvement.  | 

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