HP Fiber Optic Patchcord 400/440, 0.22 NA

Overview
High-power fiber patchcord with a 400/440 µm, 0.22 NA high-OH silica core for safe coupling and transmission of elevated laser powers. The input end uses an epoxyless air-gap connector with a copper ferrule to avoid the heating and degradation seen in standard SMA designs, while both ends feature a broadband VIS AR (400–700 nm) coating to cut reflective losses.

Key Features

• High-power input connector (epoxyless air-gap, copper ferrule) — resists local overheating and stray-light damage.

• SMA output with high-temperature epoxy — improved tolerance to back-reflections versus typical SMA connectors.

• VIS AR coating (400–700 nm) on both ends — ~7% lower reflection losses; damage threshold > 1 MW/cm².

• Power handling: >30 W typical in real setups; >50 W possible with high coupling efficiency at the input.

• Metal armored jacket — enhanced crush, tensile and bend resistance.

• Cable length: 2 m — convenient integration.

Applications
Coupling and delivery of blue and visible laser power to laboratory or industrial systems, including field testing and scanning setups that require a stable, high-power fiber path.

Specifications (summary)

• Core/cladding: 400/440 µm, NA 0.22

• Input connector: High-power epoxyless air-gap, copper ferrule

• Output connector: SMA (high-temperature epoxy)

• Coating: VIS AR 400–700 nm (both ends), damage threshold > 1 MW/cm²

• Length: 2 m

• Power handling (indicative): >30 W typical; >50 W with high coupling efficiency

Handling Notes
The air-gap connector has a suspended fiber tip—avoid shocks and any contact of the end face with external surfaces. During initial alignment, start at reduced laser power and increase only as coupling efficiency improves; do not clean the end face with a figure-eight wipe on fiber cloth.