Short-distance optical amplification module group, amplification method, and amplification system

Abstract

The invention discloses a short-distance optical amplification module group, an amplification method, and an amplification system. The module group comprises a first phase delay sheet, an imaging lens, a second phase delay sheet, and a reflection-type polarizing film. The first phase delay sheet is disposed on a transmission path of an optical image having a first linear polarization direction, and the imaging lens is disposed on a transmission path of an optical image having an elliptical polarization direction or a circular polarization direction. The second phase delay sheet is disposed on one side of the second optical surface of the imaging lens, and the second linear polarization direction is orthogonal to the first linear polarization direction. By adopting the first phase delay sheet, the imaging lens, the second phase delay sheet, and the reflection-type polarizing film, the optical image can be amplified by the imaging lens after being reflected by the reflection-type polarizing film, and therefore the requirement of the optical amplification multiple of the optical image can be satisfied, and in addition, by arranging the second phase delay sheet and the reflection-type polarizing film in an attached manner, the size and the volume of the optical module group can be further reduced.

Description

technical field [0001] The invention relates to an optical instrument, in particular to a short-distance optical amplification module, an amplification method and an amplification system. Background technique [0002] In the structure of the optical amplification module in the prior art, in order to meet the imaging quality in the optical amplification module, the module usually contains a plurality of optical devices. Since each optical device requires a certain installation space, the multiple optical devices are composed of Optical magnification modules are often relatively large in size and volume, especially unable to meet the display requirements of high magnification in a small space for smart VR (Virtual Reality, virtual reality) wearable devices. Contents of the invention [0003] Embodiments of the present invention provide a short-distance optical amplification module, an amplification method, and an amplification system to solve the problem of large structural ...

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Problems solved by technology

[0003] In the embodiment of the present invention, a short-distance optical amplification module, an amplification method and an amplification system are provided to solve the problem of large structural size of the existing optical amplification module

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