Pete Flowers 1/10/14 Pete Flowers 1/10/14

Infrared CO2 Measurement

These notes describe the opto-mechanical engineering I contributed to a Pellistor that can detect elevated levels of CO2 in the air.

Pete Flowers 10/3/12 Pete Flowers 10/3/12

Cornea Glare Test Instrument For MEEI

This custom built instrument will allow Dr. Rony Sayegh at the MEEI (Mass Eye and Ear Infirmary, Boston, MA) to improve the sight of his patients.

Michael Beach 6/6/12 Michael Beach 6/6/12

Pete has been working with some folks at the MIT Media Lab, in particular the Camera Culture Group of Ramesh Raskar.

Michael Beach 9/16/11 Michael Beach 9/16/11

What we do always involves these three phases

Michael Beach 8/10/11 Michael Beach 8/10/11

The kind of arms to pick up things, not like the puny arms that a T-Rex has.

Pete Flowers 7/15/10 Pete Flowers 7/15/10

Recently we designed and built a precision motion stage capable of focus adjustments to about 0.5um.

Michael Beach 7/14/10 Michael Beach 7/14/10

Here’s the specs: Voltage noise 2.5nV/√Hz, Gain 1000, bandwidth 0.3Hz to 500kHz.

Michael Beach 5/5/10 Michael Beach 5/5/10

We like to measure things – and NIST is our source of the best measurement advice.

Michael Beach 4/19/10 Michael Beach 4/19/10

Michael Beach 12/14/09 Michael Beach 12/14/09

We were looking at various microscope objectives – those lenses on the turrets that aim toward the slides.

Michael Beach 9/14/09 Michael Beach 9/14/09

The measurement of light is complicated by a variety of units and concepts that are not used in other fields.

Michael Beach 8/27/09 Michael Beach 8/27/09

We notice the assertion that A/D converter quantization noise is equal to ADU/SQRT(12), where ADU is the quantization unit or LSB.