Negative CTI obtained!!!

8/6/2019 Negative CTI obtained!!!

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Negative CTI obtained!!!

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1. CTI vs Temperature

Only CTI before irradiation is positive. For

the other cases, CTI is multiplied by -1.


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Dose

X-ray signal

Pixel number

2.1. Expected X-ray signal


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2.2.1. Before irradiation

2.2. Measured X-ray signal


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2.2.2. For different doses


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2.2.3. For different temperatures


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3. Baseline shift


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50 100 150 200 250 300 350 400 4505

10

15

20

25

30

P ixel number

X

-ray

S

ignal/N

oi

se

0 krad, before summer

0 krad, after summer

44 krad

84 krad

124 krad

164 krad

4. Signal/noise ratio


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5. Noise


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6. Studying the case where CTI is high

6.1. Fit X-ray signals


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6.2.1. Distribution of pixels 10 to 20


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6.2.2. Distribution of pixels 470 to480


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6.3.1. The whole frame

6.3. Recorded frame from the scope


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6.3.2. Firsts pixels


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6.3.3. Lasts pixels

Negative CTI obtained!!!

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