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- Part number:AGILENT 5517B
- Warehouse: Spot
- Warranty: 365 days
- Quality: Original module
- Condition: New
- Shipping method: Courier delivery
- Contact person: LI MING
- Contact number: +86 18059884790
- WeChat:18059884790
- E-mail: plc66@qq.com
The Agilent 5517B (now Keysight) is a Class II helium‑neon (He‑Ne) laser head, core component of high‑precision laser interferometer systems. It delivers a highly stable 632.99 nm wavelength dual‑frequency laser beam for nanometer‑level displacement, position, and velocity measurements. Ideal for machine tools, semiconductor metrology, and industrial calibration requiring accuracy and long‑term stability.

- Model: 5517B (Agilent/HP/Keysight)
- Laser Type: He‑Ne, Class II, dual‑frequency
- Wavelength: 632.99137 nm ±0.02 ppm
- Output Power: 120 µW (min) – 1 mW (max)
- Reference Frequency: 1.9–2.4 MHz (TTL); Option H10: 2.2–2.4 MHz
- Beam Diameter: 6 mm (std); Opt 003: 3 mm; Opt 009: 9 mm
- Beam Height: 79.5 ±1.0 mm
- Max Velocity (Linear Optics): 500 mm/s
- Warm‑up Time: 90 min (full stability)
- Power Supply: +15 VDC ±0.3 V / 3.0 A max; −15 VDC ±0.3 V / 0.3 A max
- Dissipation: 35 W (warm‑up), 23 W (operating)
- Operating Temp: −25°C to +65°C
Weight: 3.4 kg (7.5 lb)

- Machine tool calibration & linear/rotary positioning
- Laser interferometer systems (VME/PC‑based, 5527A)
- Semiconductor metrology: wafer stage, lithography alignment
- Coordinate Measuring Machine (CMM) verification
- Aerospace: precision assembly & component inspection
Research: optical interferometry & high‑accuracy displacement labs

- Ultra‑stable wavelength for sub‑micron/
- Dual‑frequency output enables direct velocity & displacement readout
- Industrial ruggedness for factory floor & lab environments
- Multiple beam diameter options for flexible optical setups
Compatible with Keysight/Agilent 5500‑series interferometer systems
- Global Inventory: 121 shared inventories worldwide, enabling fast delivery from overseas warehouses.
- Pricing & After-Sales: Competitive prices with reliable 1-year warranty.
- Customer Coverage: United States, Germany, Japan, South Korea, UK, France, Italy, Canada, Brazil, Australia, Russia, Spain, Netherlands, Switzerland, Sweden, Belgium, Austria, Turkey.
- Product Quality: 100% original new, tested before shipment.
- Discounts: Wholesale discounts available for bulk orders.
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