The extinction performance of a linear polarizer is often expressed as 1 / ρ p : 1. T 2 is the minimum transmission of the polarizer and occurs when the axis of the polarizer is perpendicular to the plane of polarization of the incident polarized beam. T 1 is the maximum transmission of the polarizer and occurs when the axis of the polarizer is parallel to the plane of polarization of the incident polarized beam. Following the formalism given in the Handbook of Optics, the principal transmittances of the polarizer are T 1 and T 2. The most important characteristics are:Įxtinction Ratio and Degree of Polarization: The polarizing properties of a linear polarizer are typically defined by the degree of polarization or polarization efficiency, P, and its extinction ratio, ρ p. Polarizers are defined by a few key parameters, some of which are specific to polarization optics. To help you select the best polarizer for your application, we will discuss polarizer specifications as well as the different classes of polarizer designs. There is a wide variety of polarizer designs, each with its own advantages and disadvantages. Polarizers are key optical elements for controlling your polarization, transmitting a desired polarization state while reflecting, absorbing or deviating the rest.

Polarization is an important characteristic of light. Solve it and reach the end to get the final gem.For more information on polarization read Introduction to Polarization. As you enter another room, dash up into a second red portal. At the start, hop into the red bubble and ride it left. Gem #6: The final gem is found in the last sequence of the chapter. Gem #5: At the fifth section, right at the start, move left to an optional challenge. This leads to an optional platforming room that ends with a gem. Gem #4: When you enter the creepy hotel, look for an optional tiled exit in the bottom-right corner of the screen with multiple one-block columns. Cling to the left wall and dash through the breakable wall on the right. Continue on up and reach the screen with two blocks and a small space between them. When jumping left, you’ll reach a screen with three of these blocks - two vertical, one horizontal above. Gem #3: On the third sequence of the chapter, you’ll find strange galactic blocks. It leads to a platforming challenge with a gem reward.

Gem #2: In the room with the spiked floor and spiked walls on conveyor belts, there’s a tiny hole in the floor between the spikes you can hop into if you’re careful.

There are four braziers in the room - to light them all up, you’ll need to dash in a specific order. Smash through the wall on the left with a dash to encounter a puzzle. Use it to reach yet another higher platform.Īt the top, there’s another Golden Feather to collect. On the high ledge, dash-down to smash through the floor and collect a second Golden Feather. Get a Golden Feather around the middle of Chapter 6 and use it to reach the top-right of the screen with the large waterfall. Dash into the floor under the tentacle-eye thing that leads to a puzzle screen. Riding the next red bubble, continue to make normal progress until you discover a strange evil-eye in the background. While flying back, dash up and into a secret path that leads to another red portal. Instead, turn around and jump back into the red portal. After collecting the second key in Chapter 5, you’ll jump into a red portal and teleport to the locked door.

Crystal dash lights guide