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XTM-50 - Tunable filter with adjustable bandwith

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.

Spec sheet User manual

Key Features

Adjustable bandwidth flat-top filter
Ultra-sharp filter edges
High isolation
Up to 200 nm wavelength tunability
High accuracy and repeatability
Narrowest filter—highest selectivity

Applications

Channel selection for bit error rate testing
Analysis of sub-band of complex modulation formats
Channel spacing reduction
WDM-PON, DWDM systems testing
Amplification analysis
Cascaded ROADM emulation
OFDM
Active component and module testing
Transponders testing

Description

The XTM-50 tunable filter is the perfect tool for laboratory use. Its optical performance is identical to the XTA-50 as it is based on the same optical system. The wavelength tuning and bandwidth adjustment are manual through micrometers.

All versions of the XTA-50 have their manual equivalent in the XTM-50 family.

Resources

All resources
User manual
XTM-50 optical tunable filter - English (June 06, 2025)
Brochures and catalogs
Optical testing solutions for manufacturing and R&D - English (December 23, 2024)
Flyers and pamphlets
PIC-Optical integrated circuits test solution - 日本語 (October 26, 2021)
Product demos
An overview of EXFO Optics product portfolio - English (May 18, 2023)
Product demos
Is your optical component testing future-proof? - English (May 18, 2023)
Spec sheet
XTM-50 - tunable filter with adjustable bandwidth - English (June 13, 2025)
Spec sheet
XTM-50 - tunable filter with adjustable bandwidth - 中文 (June 13, 2025)

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