The present investigation was conducted on ten varieties of mango collected from orchard at ANDUAT, Kumarganj, Ayodhya to study physical and biochemical parameters during various stages of fruit development. Highest total sugar content was observed in Amrapali (6.52%) at 30 days and 13.05% at 60 days after fruit setting. Maximum ascorbic acid content was recorded in Gilash (26.73 mg/100g) at 30 days, Langra (23.32mg/100g) at 60 days and Gulabkhas (19.83 mg/100g) at 90 days after fruit setting. Maximum beta carotene content was noticed in Amrapali (124.94 µg/100g) at 30 days and 90 days (3543.80µg/100g). Maximum crude fibre content was noticed in Gilash (1.28%) at 30 days and (1.11%) at 60 days. Dashehari variety was found to contain highest amount of total sugar while highest ascorbic acid content was recorded in Gilash at 30 days and Gulabkhas at 90 days.
In this paper a fluid sensor has been proposed based on two dimensional photonic crystal cavity. The cavity is a L7 cavity with W1 waveguide below the cavity for coupling light into the cavity. A dip in the output transmittance has been observed and the quality factor of the dip is found to be ~629. Further, to improve the performance of the cavity another L7 has been introduced below the W1 waveguide. The quality factor of the proposed structure is found to be ~3413. The proposed PCC structure has been used as a fluid sensor for the sensing of kerosene, heptane, cotton seed oil, methanol, cresol and acetic acid. The proposed structure has high quality factor and will be easy for fabrication and hence can be used as an ideal fluid sensor.
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