This PDF file includes:

• Note S1. Design considerations for FP pressure sensor.
• Note S2. Definition and calculation of device sensitivity and accuracy.
• Note S3. Temperature dependence of pressure sensor response.
• Note S4. Calculation of FPI temperature sensor sensitivity.
• Note S5. Comparison of reflection spectra of FPI and PC sensors.
• Note S6. Scalability and yield of bioresorbable PC sensor fabrication process.
• Note S7. Modal mismatch and noise in single mode–to–PLGA composite fiber.
• Note S8. Pressure and temperature cross-talk during in vivo measurement.
• Fig. S1. Schematic illustrations of steps for fabricating bioresorbable FPI pressure and temperature sensors.
• Fig. S2. Calculations of free spectral ranges and design optimization of bioresorbable FPI pressure sensors.
• Fig. S3. In vitro setup for calibrating the response of the bioresorbable FPI pressure sensor.
• Fig. S4. Effects of temperature on the response of a bioresorbable FPI pressure sensor.
• Fig. S5. Full temperature calibration curves for a bioresorbable FPI temperature sensor.
• Fig. S6. Schematic illustrations of fabrication procedures for bioresorbable PC cavity-based pressure and temperature sensors.
• Fig. S7. Free-space detection setup for testing bioresorbable PC-based pressure and temperature sensors.
• Fig. S8. Optical properties of bioresorbable PC sensors and PLGA fiber.
• Fig. S9. In vitro dissolution of a bioresorbable optical sensor.
• Fig. S10. Simultaneous recordings of a rat’s ICP and ICT during flank contract/release experiment using reference pressure and temperature sensors.

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