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Message ID: 13     Entry time: Thu Feb 11 18:04:08 2010
Author: Aidan 
Type: Laser 
Category: Ring Heater 
Subject: Ring heater time constant 

I've been looking to see what the time constant of the ring heater is. The attached plot shows the voltage measured by the photodiode in response to the heater turning on and off with a period of 30 minutes.

The time constant looks to be on the order of 600s.

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