deletions | additions       diff --git a/figures/3um_1200nm.png b/figures/3um_1200nm.png  new file mode 100644  index 0000000..3f385ac  Binary files /dev/null and b/figures/3um_1200nm.png differ diff --git a/figures/3um_800nm.png b/figures/3um_800nm.png  deleted file mode 100644  index db576de..0000000  Binary files a/figures/3um_800nm.png and /dev/null differ