Assertion: collimator | /r/HasProperty | f ≈
Facets:
Source sentences:
text: When the F220FC-A collimator (f ≈ 11.0 mm; not exact since the design wavelength is 543 nm) is used to collimate 515 nm light emerging from a 460HP fiber (MFD = 3.5 µm), the divergence angle is approximately given by θ ≈ (0.0035 mm / 11.0 mm)