Complex sentence: Potassium bromide is transparent from the near ultraviolet to long wave infrared wavelengths (0.25-25 µm) and it has no significant optical absorption lines in its high transmission region.
Split into simpler sentences: Potassium bromide is transparent from the near ultraviolet to long wave infrared wavelengths (0.25-25 µm). It has no significant optical absorption lines in its high transmission region.