Wings in Polarized Light

10µ 10µ

Polarized light 50x objective lens

Polarized Light 50x objective lens

Optical vs. Dark Field

Scales

Transmitted light microscope

Scales

Dark Field Microscope

50 µ 50µ

Optical vs. Dark Field

50µ 50µ

Fringe Scales Reflected Light

Microscope

Fringe Scales Dark Field Microscope

Dark Field Images

Channel with Sensor and scales

50 µ

50 µ

Light vs. Dark Field

10µ 10µ

Reflected light microscope showing scale detail

Dark Field microscope showing scale detail

Interference Microscope

Single scale in damaged section

Sensory channel in wing

30µ 30µ

Interference Microscope

30µ

15µ

10µ

Microscope gives a greater depth of field than regular light microscopes

Detail of Sensory Channel

Interference Microscope

30µ 30µ

Attachment stubs for wings

Torn edge of wing

30µ

SEM Images

Lower Scales: width ~75µ length ~100µ

Covering scales: width ~50µ length ~125 µ

Attachment Point Spacing ~ 32µ

SEM Images

Detached Scales showing attachment stubs

Tip Detail and Ribbing Pattern

SEM Images

Pattern of scale lattice

Area Analyzed with Microprobe

Microprobe Spectral Analysis of Wing

Diffraction Demonstrationswith Kevin

PHYSICS 101 Labwith Dr. Jeevak Parpia

Acknowledgements

John Hunt

Nevjinder Singhota

Kevin Dilley Jane Earle

Jeevak Parpia

Happy

Birthday!