1. Date of download: 5/27/2016 Copyright © 2016 SPIE. All rights reserved. Schematic diagram of the micrograting accelerometer. Figure Legend: From: Laser relative intensity noise suppression of micro-grating accelerometer based on reference differential detection method Opt. Eng. 2015;54(2):024108. doi:10.1117/1.OE.54.2.024108

2. Date of download: 5/27/2016 Copyright © 2016 SPIE. All rights reserved. (a) The principle diagram of a laser noise suppression scheme. (b) The reference differential detection circuit (RDDC) schematic diagram for rejecting laser relative intensity noise. Figure Legend: From: Laser relative intensity noise suppression of micro-grating accelerometer based on reference differential detection method Opt. Eng. 2015;54(2):024108. doi:10.1117/1.OE.54.2.024108

3. Date of download: 5/27/2016 Copyright © 2016 SPIE. All rights reserved. Measurement results with RDDC for the output voltage as a function of acceleration and fitting a straight line in the linear region. Figure Legend: From: Laser relative intensity noise suppression of micro-grating accelerometer based on reference differential detection method Opt. Eng. 2015;54(2):024108. doi:10.1117/1.OE.54.2.024108

4. Date of download: 5/27/2016 Copyright © 2016 SPIE. All rights reserved. Three-dimensional (3-D) model of the handheld experimental prototype. Figure Legend: From: Laser relative intensity noise suppression of micro-grating accelerometer based on reference differential detection method Opt. Eng. 2015;54(2):024108. doi:10.1117/1.OE.54.2.024108

5. Date of download: 5/27/2016 Copyright © 2016 SPIE. All rights reserved. Simulation of diffraction intensity at the photo-detector plane for a design with a 10 cm working distance to guild the layout of three- element PDs with a zero-order PD in the middle and +1 and −1 PDs positioned to its up and down elements. Figure Legend: From: Laser relative intensity noise suppression of micro-grating accelerometer based on reference differential detection method Opt. Eng. 2015;54(2):024108. doi:10.1117/1.OE.54.2.024108

6. Date of download: 5/27/2016 Copyright © 2016 SPIE. All rights reserved. Normalized simulation output curve with different normalized transform coefficients for optimal detection sensitivity. Figure Legend: From: Laser relative intensity noise suppression of micro-grating accelerometer based on reference differential detection method Opt. Eng. 2015;54(2):024108. doi:10.1117/1.OE.54.2.024108

7. Date of download: 5/27/2016 Copyright © 2016 SPIE. All rights reserved. Output signal signal-to-noise ratio (SNR) plot when the sensor is actuated at different frequencies below 150 Hz to confirm the reliability of the low frequency suppression. Figure Legend: From: Laser relative intensity noise suppression of micro-grating accelerometer based on reference differential detection method Opt. Eng. 2015;54(2):024108. doi:10.1117/1.OE.54.2.024108

8. Date of download: 5/27/2016 Copyright © 2016 SPIE. All rights reserved. The spectrum of output signals with RDDC designed in Fig. 2 and with a differential detection circuit. The measurement corresponds to 0 g. Figure Legend: From: Laser relative intensity noise suppression of micro-grating accelerometer based on reference differential detection method Opt. Eng. 2015;54(2):024108. doi:10.1117/1.OE.54.2.024108