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d2:spectroscopy_module_210

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d2:spectroscopy_module_210 [2019/05/31 06:44]
Michael Radunsky [Purchase Includes]
d2:spectroscopy_module_210 [2019/06/25 22:53] (current)
Michael Radunsky [Inputs, Outputs, and Controls]
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 **Temperature Bias Adj.** **Temperature Bias Adj.**
  
-For the Doppler subtraction option this control enables the user to input a small temperature difference between the reference and signal vapor cells. ​ In the fully CCW position the signal vapor cell heater gets all the current. ​ In the full CW position the reference cell heater gets twice the current as the signal cell.  This adjustment can be used to place the optimum point for Doppler Subtraction closer to zero Volts.+[Note: this adjustment is only available on older D2-210 models.] ​For the Doppler subtraction option this control enables the user to input a small temperature difference between the reference and signal vapor cells. ​ In the fully CCW position the signal vapor cell heater gets all the current. ​ In the full CW position the reference cell heater gets twice the current as the signal cell.  This adjustment can be used to place the optimum point for Doppler Subtraction closer to zero Volts.
  
 This adjustment only has an effect with the -DS, Doppler Subtraction option. This adjustment only has an effect with the -DS, Doppler Subtraction option.
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-The following images are representative of spectroscopy for <​sup>​87</​sup>​Rb with and without Doppler subtraction. ​ Note that Doppler subtraction has a minimal effect on peak lock signal generated by dithering the laser (green traces).+The following images are representative of spectroscopy for <​sup>​87</​sup>​Rb with and without Doppler subtraction. ​ Note that Doppler subtraction ​(<imgref ds>​) ​has a minimal effect on peak lock signal generated by dithering the laser (green traces).
  
 +<​imgcaption image1|Pin numbering on female Hirose 6-pin connector>​{{ ​ :​d2:​d2-160:​hirose-connector.png?​200 ​ }}</​imgcaption>​
  
-{{ :​d2:​d2-210:​sas.jpg?​nolink |}} +<​imgcaption no-ds|Non-Doppler subtracted side- and peak-lock spectra>{{ :​d2:​d2-210:​sas.jpg?​nolink |}}</​imgcaption>​ 
-{{ :​d2:​d2-210:​sas_w_ds.jpg?​nolink |}}+<​imgcaption ds|Doppler subtracted side- and peak-lock spectra>{{ :​d2:​d2-210:​sas_w_ds.jpg?​nolink |}}</​imgcaption>​
d2/spectroscopy_module_210.1559310253.txt.gz · Last modified: 2019/05/31 06:44 by Michael Radunsky