Claims
- 1. A method of calibrating a sensor formed on a distal portion of an optical fiber, which comprises the steps of:
- forming a generally cylindrical chamber having a diameter which is larger in the central portion than in respective ends thereof;
- providing valve means at a lower end of said chamber to selectively introduce a gas into said chamber;
- introducing an optical fiber sensor into said chamber so that a distal end of said sensor is located in the portion of the chamber with the largest diameter;
- filling said chamber with a fluid; and
- introducing a quantity of gas into said chamber, through said valve means.
Parent Case Info
This is a continuation, division of application Ser. No. 07/565,463, filed Aug. 10, 1990.
US Referenced Citations (9)
Foreign Referenced Citations (6)
Number |
Date |
Country |
881009 |
Sep 1971 |
CAX |
2246225 |
Apr 1973 |
DEX |
67841 |
Apr 1985 |
JPX |
231137 |
Nov 1985 |
JPX |
1015329 |
Apr 1983 |
SUX |
961124 |
Jun 1964 |
GBX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
565463 |
Aug 1990 |
|