XTM-50 - Tunable filter with adjustable bandwidth
With the XTM-50 both center wavelength and bandwidth can be independently adjusted. It is manually controlled and versions are available covering all the key telecom wavelengths from 1260 nm to1650 nm and bandwidths from 32 pm (4 GHz) to 5 nm.
XTA-50 - Tunable filter with adjustable bandwith
Electronically controlled. Center wavelength and bandwidth can both be set precisely and independently. Covers all key wavelengths from 1260 nm to 1650 nm and bandwidths from 32 pm (4 GHz) to 5 nm.