Optical pickup equipment
An optical pickup and equipment technology, which is applied in the manufacture of optical heads, optical recording heads, beam guiding devices, etc., can solve the problems of complex arrangement and assembly of optical components, increased cost of optical pickup equipment, and complicated arrangements for assembly.
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[0020] The preferred embodiments of the present invention will be described in detail below, in which examples are described based on the accompanying drawings, in which the same reference numerals represent the same elements. In order to illustrate the present invention, the embodiments are described with reference to the drawings.
[0021] Referring to FIG. 2, an optical pickup device of the first embodiment of the present invention includes a light source 31 that emits laser light, a beam splitter 36 that changes the propagation path of incident light, and a beam splitter 36 that condenses the incident light into an optical recording medium D. A point objective lens 39, and a photodetector 43 that receives reflected light reflected from the optical recording medium D and then passed through the objective lens 39 and the beam splitter 33.
[0022] According to one aspect of the present invention, the optical path between the beam splitter 33 and the objective lens 39 further inc...
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