功能

• Protective glass is attached to the condensing lens to protect it from laser beam machining.
• Protective glass is available in three sizes.
• Protective Glass Holder (PGH)
• Visible Achromatic Concentrating Lens
• YAG Laser Concentrating Lens
• Concentrating Lens for Fiber Laser
• Part of Ultraviolet Concentrating Lens
• Since the protective glass is uncoated, the transmittance is about 90% due to surface reflection loss.
• If the protective glass becomes dirty or the transmittance decreases, replace it with a new one.
• (Consumables)