In 2 color comparison triggering, detectors are composed of what?

In 2 color comparison triggering, detectors are composed of what?

• A. Detectors Are Composed Of Different Materials
• B. Detectors Are Composed Of The Same Material
• C. Detectors Are Made Of Metal
• D. Detectors Are Not Spectral-Sensitive

Answer: (A)

Two-color comparison triggering relies on sensing two different parts of the spectrum so you can compare how a scene looks in each color. That requires detectors that respond to different wavelengths, which is achieved by using different materials with distinct bandgaps. Each material is tuned to a specific spectral band, giving you two separate signals to compare. If the detectors were the same material, they would respond identically to the same scene and you wouldn’t gain any useful color comparison. Metal detectors or systems claiming no spectral sensitivity wouldn’t provide the two-color information needed for this trigger.

Two-color comparison triggering relies on sensing two different parts of the spectrum so you can compare how a scene looks in each color. That requires detectors that respond to different wavelengths, which is achieved by using different materials with distinct bandgaps. Each material is tuned to a specific spectral band, giving you two separate signals to compare. If the detectors were the same material, they would respond identically to the same scene and you wouldn’t gain any useful color comparison. Metal detectors or systems claiming no spectral sensitivity wouldn’t provide the two-color information needed for this trigger.