# OM Report — 2026-07-08

## Alignment

200 um lines, cross polarizers

<img src="om/2026_07_08_alignment_200um.jpg" width="600">

100 um lines, cross polarizers

<img src="om/2026_07_08_alignment_100um.jpg" width="600">

50 um lines, cross polarizers

<img src="om/2026_07_08_alignment_50um.jpg" width="600">

20 um lines, cross polarizers

<img src="om/2026_07_08_alignment_20um.jpg" width="600">

---

## Sample 1

zoom: 5x, transmission, 200 and 100 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample1_5x_200um_100um_left.jpg" width="400"> | <img src="om/2026_07_08_sample1_5x_200um_100um_right.jpg" width="400"> |

zoom: 5x, transmission, 50 and 20 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample1_5x_50um_20um_left.jpg" width="400"> | <img src="om/2026_07_08_sample1_5x_50um_20um_right.jpg" width="400"> |

---

## Sample 2

zoom: 5x, transmission, 100 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample2_5x_100um_left.jpg" width="400"> | <img src="om/2026_07_08_sample2_5x_100um_right.jpg" width="400"> |

zoom: 5x, transmission, 200 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample2_5x_200um_left.jpg" width="400"> | <img src="om/2026_07_08_sample2_5x_200um_right.jpg" width="400"> |

zoom: 5x, transmission, 50 and 20 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample2_5x_50um_20um_left.jpg" width="400"> | <img src="om/2026_07_08_sample2_5x_50um_20um_right.jpg" width="400"> |

zoom: 20x, transmission, 20 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample2_20x_20um_left.jpg" width="400"> | <img src="om/2026_07_08_sample2_20x_20um_right.jpg" width="400"> |

---

## Sample 3

zoom: 5x, transmission, 200 and 100 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample3_5x_200um_100um_left.jpg" width="400"> | <img src="om/2026_07_08_sample3_5x_200um_100um_right.jpg" width="400"> |

zoom: 5x, transmission, 50 and 20 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample3_5x_50um_20um_left.jpg" width="400"> | <img src="om/2026_07_08_sample3_5x_50um_20um_right.jpg" width="400"> |

zoom: 20x, transmission, 20 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample3_20x_20um_left.jpg" width="400"> | <img src="om/2026_07_08_sample3_20x_20um_right.jpg" width="400"> |

---

## Sample 4

zoom: 5x, transmission, 200 and 100 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample4_5x_200um_100um_left.jpg" width="400"> | <img src="om/2026_07_08_sample4_5x_200um_100um_right.jpg" width="400"> |

zoom: 5x, transmission, 50 and 20 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample4_5x_50um_20um_left.jpg" width="400"> | <img src="om/2026_07_08_sample4_5x_50um_20um_right.jpg" width="400"> |

zoom: 20x, transmission, 20 um lines

| Left | Right |
|------|-------|
| <img src="om/2026_07_08_sample4_20x_20um_left.jpg" width="400"> | <img src="om/2026_07_08_sample4_20x_20um_right.jpg" width="400"> |

---

## Hole Cows

transmission

<img src="om/2026_07_08_cow0.jpg" width="600">

transmission, cross polarizers

<img src="om/2026_07_08_cow0_ordered.jpg" width="600">

transmission

<img src="om/2026_07_08_cow1.jpg" width="600">

transmission, cross polarizers

<img src="om/2026_07_08_cow1_ordered.jpg" width="600">

transmission

<img src="om/2026_07_08_cow2.jpg" width="600">

transmission, cross polarizers

<img src="om/2026_07_08_cow2_ordered.jpg" width="600">

transmission, cross polarizers

<img src="om/2026_07_08_cows_disordered_1.jpg" width="600">

transmission, cross polarizers

<img src="om/2026_07_08_cows_disordered_2.jpg" width="600">

transmission, cross polarizers

<img src="om/2026_07_08_cows_disordered_3.jpg" width="600">

transmission, cross polarizers

<img src="om/2026_07_08_cows_disordered_4.jpg" width="600">

transmission, cross polarizers

<img src="om/2026_07_08_nyan_cat.jpg" width="600">

---

## Spherical Cows

reflection

<img src="om/2026_07_08_spherical_cow_reflection_1.jpg" width="600">

reflection

<img src="om/2026_07_08_spherical_cow_reflection_2.jpg" width="600">

reflection and transmission

<img src="om/2026_07_08_spherical_cow_reflection_and_transmission_3.jpg" width="600">

transmission

<img src="om/2026_07_08_spherical_cow_transmission.jpg" width="600">

---

## Disordered liquid crystal


Images taken between cross polarizers.

<img src="om/2026_07_08_disordered_1.jpg" width="600">

<img src="om/2026_07_08_disordered_2.jpg" width="600">

<img src="om/2026_07_08_disordered_3.jpg" width="600">

<img src="om/2026_07_08_disordered_4.jpg" width="600">

<img src="om/2026_07_08_disordered_5.jpg" width="600">

<img src="om/2026_07_08_disordered_6.jpg" width="600">
