Update README.md

Author: lukasc-ubc

README.md

@@ -88,3 +88,27 @@ https://github.com/SiEPIC/openEBL-2025-05/actions/runs/15107025690/artifacts/314
 ## Measurement data
 https://qdot-nexus.phas.ubc.ca:25683/s/tBoG5bK5aPs3yTY
 
+## SEM images of the fabricated designs
+
+Scanning electron microscope images of some of the devices from this fabrication run were taken, and are available in the "SEMs" folder, and shown here:
+
+
+![SEM image – 1x2 splitter](./SEMs/UL_011.jpg)
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+![SEM image – 2x2 splitter](./SEMs/UL_012.jpg)
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+![SEM image – 3x3 splitter](./SEMs/UL_007.jpg)
+
+![SEM image – subwavelength grating waveguides](./SEMs/UL_023.jpg)
+
+![SEM image – Bragg grating](./SEMs/UL_039.jpg)
+
+![SEM image – Bragg grating contra directional coupler](./SEMs/UL_034.jpg)
+
+
+![SEM image – lithgraphy test structure](./SEMs/UL_026.jpg)
+
+![SEM image – lithgraphy test structure](./SEMs/UL_027.jpg)
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+
+