[time-nuts] LPRO questions...

Bob Camp lists at rtty.us
Fri Sep 6 00:05:03 UTC 2013


Hi

Keep in mind that there are several different Rb bulb designs out there. Some may be fixable by the heat approach and some not. 

Bob

On Sep 5, 2013, at 6:53 PM, Alan Kamrowski II <alank2 at earthlink.net> wrote:

> Hi Magnus,
> 
> Interesting.  What temperature C do you use and for how long?
> 
> Thanks,
> 
> Alan
> 
> 
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Magnus Danielson
> Sent: Thursday, September 05, 2013 4:24 PM
> To: time-nuts at febo.com
> Subject: Re: [time-nuts] LPRO questions...
> 
> On 09/05/2013 10:45 PM, Alan Kamrowski II wrote:
>> Hi Bill,
>> 
>> Where is the dimple?  The bulb end looked circular and smooth?  Do you 
>> mean the other end (back end which is visible even when the bulb is
> installed)?
>> The bulb end points towards the entire assembly...
> The back end as mounted is where you want it to deposit. When I did it, it
> turned out that I better put the "window" side downwards so that when the
> vapor rose as it was hot, it hit the cooler side above it and settled there,
> that's how I reduced the shadowing on the window to clear. The reason it's a
> bad thing is that this thin coating will absorb exactly that wavelength you
> try to output.
> 
> Cheers,
> Magnus
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