Message: Re: Transmission of Optical Photons Not Logged In (login)
 Next-in-Thread Next-in-Thread
 Next-in-Forum Next-in-Forum

Feedback Re: Transmission of Optical Photons 

Forum: Processes Involving Optical Photons
Re: None Transmission of Optical Photons
Re: Feedback Re: Transmission of Optical Photons (Gumplinger Peter)
Re: Feedback Re: Transmission of Optical Photons
Date: 16 Jul, 2009
From: Gumplinger Peter <Gumplinger Peter>

> Step Too Small 208

> Of these,

> PreVolume expHall, PostVolume Detector: 122

> PreVolume Wrap, PostVolume Tracker; 85

> Also note that when StepTooSmall occured I called the GetStepLength()

> function to see what the step size was and on each of these occurances

> it came up to be 0 cm. I'm not sure the significance of this.

A zero step lentgh step is a 'relocation step' upon reflection; e.g. the following navigation step after G4OpBoundaryProcess has decided on a reflection will be such a relocation step.

> No Refractive Index 265

This happens when medium 1 and/or medium 2 has no MaterialPropertiesTable, or that table has no Index of Refraction; you have a 'backpainted' surface with no index for the gap.

Apparently, the volumes involved are: expHall, Detector, Wrap, tracker, WrapCap and ALRing. I suspect that some of these volumes should be 'metals' (or paints) but you have not defined their surface as dielectric_metal.

You should find out when this happened:

Same Material 1

Do you have two volumes touch each other with the same material?

Inline Depth:
 1 1
 All All
Outline Depth:
 1 1
 2 2
 All All
Add message: (add)

1 None: Re: Transmission of Optical Photons   ( - 24 Jul, 2009)
(_ Feedback: Re: Transmission of Optical Photons   (Gumplinger Peter - 24 Jul, 2009)
 Add Message Add Message
to: "Re: Transmission of Optical Photons"

 Subscribe Subscribe

This site runs SLAC HyperNews version 1.11-slac-98, derived from the original HyperNews