09:44:58	 From Elbasher Ahmed : How many times  did you repeat the experiment.
09:51:04	 From Stella Mbokop : Is optical fibre an example of a Fabry-Perot resonator?
09:51:13	 From Elbasher Ahmed : Can we use this technique to sturdy  different  systems
09:55:15	 From Elbasher Ahmed : Thank you and my greetings to Prof. Ketivi
09:56:45	 From Ketevi Adikle Assamagan : @Elbasher Ahmed: long time! Thanks. And greetings to you as well.
10:02:18	 From Stella Mbokop : Thank you
10:03:03	 From Rokaya Djida : Thank you