𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Optical microphone based on a modulated diffractive lens

✍ Scribed by Sagberg, H.; Sudbo, A.; Solgaard, O.; Bakke, K.A.H.; Johansen, I.R.


Book ID
118173620
Publisher
IEEE
Year
2003
Tongue
English
Weight
329 KB
Volume
15
Category
Article
ISSN
1041-1135

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Optical microphone based on a reflective
✍ Ju-Han Song; Hyun-Mo Gu; Hyun-Jung Park; Sang-Shin Lee πŸ“‚ Article πŸ“… 2006 πŸ› John Wiley and Sons 🌐 English βš– 86 KB

## Abstract An optical microphone incorporating a reflective diaphragm and a fiber‐optic head is demonstrated. The diaphragm is made of a micromirror membrane which is suspended by a silicon bar connected to a frame, allowing for displacement induced by acoustic waves. A compact and simple optical

A new microphone based on an optical mea
✍ K. Budal πŸ“‚ Article πŸ“… 1974 πŸ› Elsevier Science 🌐 English βš– 302 KB

A new type of microphone is described. The measurements on a microphone prototype with a membrane diameter of 7 mm show the following results: flat frequency response from zero Hz (if required) to 20 kHz, sensitivity 60 mV/N/m 2, output can be loaded with a resistance as low as 600 s distortion sati