Datasheet Plastic Collimator Lens CAY046 These data concern a full plastic bi-aspherical lens. It is specified for use as a collimator in combination with a diode laser. It can be mounted by use of glue or spring-loaded. Mechanical lock-mounting is not advisable because of possible distortions. Parameters Wavelength 670 nm 785 nm Unit 0.40 3.7 -mm 0.55 0.25 mm mm Design conditions N.A. Clear Aperture CA Designed with laser cover glass (BK7) on source side: Distance from source Glass thickness Optical parameters Focal Length Back Focal Length BFL (with BK7 coverglass) Free Working Distance FWD 4.60 3.18 3.08 4.64 3.20 3.10 mm mm mm RMS mean on axis 30 mλ RMS max. (±3σ) on axis 40 mλ 0.1 0.1 mm mm ∅ 7.40 (+ 0.03) mm -25 to 70 5 to 65 °C °C Optical Tolerance Field Radius Mechanical parameters Mounting hole diameter Dmh Other parameters: see drawing Environmental stability Storage Temperature Operating Temperature General Data: Transmission [%]: 90 Lens Material: Acrylic Specifications subject to change without notice. Zemax cataloguefile available. 11.08.2010 cay046.doc 1 of 1