The perfect result of temperature cycling for Etern Optoelectronics DWDM TFF
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Category: Reliability Testing & Quality Assurance

The reliability validation of ETERN's Thin Film Filters (TFF) is rigorously executed based on the Telcordia GR-2883-CORE international standard (Generic Requirements for Fiber Optic Filters). Given that temperature cycling represents one of the most stringent evaluation criteria in this framework, this report explicitly highlights our internal temperature cycling test datasets to demonstrate ETERN's uncompromising product quality.

The fundamental test conditions and summary matrix are detailed below. Following 125 continuous temperature cycles spanning from -40°C to 85°C, all 11 pieces of random engineering samples demonstrated exceptionally stable optical performance across insertion loss and center wavelength matrices.

Pass / Fail Criteria:

Detailed Reliability Data & Performance Curves

Below are the granular testing logs and corresponding optical distribution figures tracking the performance of the TFF batches under thermal stress:

Table 1: Peak Insertion Loss (dB) Data & Analysis
Table 2: -0.5dB Center Wavelength (nm) Data & Analysis
Table 3: -25dB Center Wavelength (nm) Data & Analysis

For more technical datasheets, full compliance reliability logs, or high-volume project quotes, please connect with ETERN:

Official Web: www.szetern.com Inquiry Email: sales@szetern.com