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Fig. 9.


Noise equivalent power (NEP) measured for the 1 mm, 2 mm, and 3 mm arrays. Each point is derived from responsivity and noise measurements for different temperatures of the cold black body. The corresponding optical load per pixel for each temperature is derived using the optical simulation presented in Fig. 2. The vertical dashed lines represent the typical optical background expected from a real instrument operating at second Lagrangian point.

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