;+
; NAME:
;   amie_getTemperatureDependence
;
; PURPOSE:
;   
;
; CATEGORY:
;   AMIE Calibration
;
; CALLING SEQUENCE:
;   amie_getTemperatureDependence, fTemp
;
; INPUTS:
;   fTemp: focal plane temperature at time of acquisition
;
; OPTIONAL INPUT PARAMETERS:
;   None.
;
; OUTPUTS:
;    a float variable containing the temperature dependence factor
;
; COMMON BLOCKS:
;   None.
;
; SIDE EFFECTS:
;   Hopefully none.
;
; RESTRICTIONS:
;   No restrictions
;
; MODIFICATION HISTORY:
;    2008 Jan 08, sm: First version
;
;    (c) 2008, Santa Martinez, ESA/SCI-OS
;-

FUNCTION eg, fTemp

  ; Silicon band gap energy in eV
  ; eg(temp) = 1.1557 - (7.021E-4 * (fTemp^2)) / (1108 + fTemp)
  
  RETURN, 1.1557 - (7.021E-4 * (fTemp^2)) / (1108 + fTemp)

END


FUNCTION amie_getTemperatureFactor, fTemp

  T0 = 273.15
  K = 8.6171E-5
  
  fTempFactor = (fTemp/T0)^(1.5)*EXP(eg(T0)/(2*K*T0) - eg(fTemp)/(2*K*fTemp))
  RETURN, fTempFactor
END