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 0.01pm wavelength resolution

 <4 degree polarization wobble

 >-160dB/Hz RIN

 >-55dB SMSR

 >-80dB SSE

 >65dB STSE

 Fast 45 ms/step

 <100KHz Line Width

 >100 nm Tuning- C+L Band

 Very Low Cost (<$20K)

Summary

Low STSE

The low STSE, which represents the integrated ASE from the

laser, allows characterization of deep-well devices, or devices

with very high polarization extinction ratio.

Thin-film-based Tunable Laser Source

DWDM Applications demand accurate measurements based on

a stable light source with high wavelength resolution. The

Model 601 Tunable Laser Sources (TLS) leverages industry-

leading precision thin-film filter technology to provide a new

benchmark for wavelength settability, resolution, line width and

optical noise.

In the 1980’s, dBm Optics’ partner Koshin developed new

processes for highly precise, consistent thin film filters. Today,

all the leading thin-film filter suppliers rely on Koshin’s

patented technique. In the 1990’s, Koshin’s ion-plasma coating

technology creates a new standard in long term stability and

consistency. Also, specially developed YAG welding process

assure excellent performance over temperature variation and

time.

With the Model 601, TLS, dBm Optics and Koshin provide this

technology in the form of the highest wavelength resolution

TLS available.

Wide Tuning Range

With standard tuning range of 105 nm, the 601 can cover the

full C and L bands.

High Wavelength Resolution

The filter-based design allows setting resolution for wavelength

of 0.01pm (10 fm).

Built-In Variable Attenuator

This eliminates the SMSR, SSE (Signal to Spontaneous

Emission), STSE (Signal to total spontaneous emission) and

noise problems usually associated with laser sources that use

laser diode current control to attenuate the optical output.

Alternatively, this built in attenuator eliminates the need for an

external attenuator.

Coherence Control

The 601’s Coherence Control can line-broaden the source,

achieving noise reduction in etalon-containing optical paths.

This can be especially critical for PDL measurement, where

even low levels of optical noise can wreak havoc with

measurement integrity. Coherence Control can also have very

beneficial effects when multiple flat connections (FC/PC or

FC/UPC) connections exist in the optical path.

Very Fine WL Resolution,

Low Polarization State Wobble

and Very Low Cost

Model 601

Stepping Tunable Laser Source

Optical

Switch

Polarization

Control

Optical

Workbench

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