The mHROSA‑A2 High Resolution OSA is a compact, single‑slot MAP module that delivers sub‑GHz resolution with a low noise floor using coherent detection, making it ideal for manufacturing and coherent transport testing. It measures precise C‑band spectral characteristics with a 300 MHz resolution bandwidth, revealing fine details that traditional grating‑based OSAs cannot. With ±3 pm wavelength accuracy, it also functions as a wavelength meter. Designed with no moving parts, it provides stable, reliable performance for critical measurements in advanced optical component and system characterization.

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