Is the usage of the word 'already' in the following sentence correct?
We have used an already calibrated camera fixed on the robot.
Is the usage of the word 'already' in the following sentence correct?
We have used an already calibrated camera fixed on the robot.
Yes, this usage is correct. Note that it is conventional to use a hyphen when you are writing a compound adjective (see rule 6.39 given in this answer, which draws from CMoS):
already-calibrated camera
As you are probably aware, this means the same thing as:
We have used a camera that has already been calibrated, fixed on the robot.
Here are some examples from COCA that use "already" to modify an adjective in this way:
If your own novel's hero seems too similar to an already-established sleuth, try some mixing and matching.
This article focuses on one already-existing version of what new schools might look like and explores some problems it faces in contemporary America.
Curriculum compacting was designed to eliminate already-mastered content and to provide students with enrichment activities in the time saved.