A single mode etalon made from high precise and parallel ground quartz is set into a „click“- housing and fixed by means of a threaded cap. Both surfaces of the etalon are protruding about 1 mm its mount for cleaning purposes. The entire assembly is mounted into the four axes adjustment holder on carrier(474 211). By means of the fine pitch adjustment screws the etalon can be tilted and shifted. The etalon has a diameter of ½ inch and a length of 10 mm. Since no coating is provided, the finesse is determined by the Fresnel reflection losses only.

• Material: Fused Silica
• Length: 10 mm
• Diameter: ½ inch
• 4 Axes adjustment:
  • Displacement: X = 2 mm, Y = 2 mm
  • Tilt angle: φ = 5°, θ= 5°

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