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- Hamamatsu Photonics K.k Sound Cards & Media Devices Driver
| Type number | C13440-20CU |
|---|---|
| Quantum efficency | 82 % (peak QE: @560 nm) |
| Imaging device | sCMOS |
| Effective no. of pixels | 2048 (H)×2048 (V) |
| Cell size | 6.5 μm×6.5 μm |
| Effective area | 13.312 mm×13.312 mm |
| Full well capacity | 30 000 electrons (typ.) * |
| Readout speed | 100 frames/s (Full resolution, standard scan, Camera Link) * 40 frames/s (Full resolution, standard scan, USB 3.0, 16 bit) * 53 frames/s (Full resolution, standard scan, USB 3.0, 12 bit) * 80 frames/s (Full resolution, standard scan, USB 3.0, 8 bit) * |
| Readout noise | Standard scan (at 100 frames/s, typ.):1.6 electrons rms (1.0 electrons median) Slow scan (at 30 frames/s, typ.): 1.4 electrons rms (0.8 electrons median) |
| Cooling method | Peltier cooling |
| Cooling temperature | Forced air (Ambient at +20 ℃): -10 ℃ Water (+20 ℃): -10 ℃ Water (+15 ℃): -30 ℃ |
| Dark current | 0.06 electrons/pixel/s (Air Cooled to -10° C) (typ.) 0.06 electrons/pixel/s (Water Cooled to -10° C) (typ.) 0.006 electrons/pixel/s (Water Cooled to -30° C) (typ.) |
| Dynamic range | 37 000:1 (typ.) |
| Interface | Camera Link / USB 3.0 |
| A/D converter | 16 bit / 12 bit / 8 bit |
| Lens mount | C-mount |
Hamamatsu's highly precise power meters allow the control of light levels of UV-LED light sources and Excimer light sources. Our propriety solid state device produces highly reproducible measurements, and inhibits sensitivity deterioration for UV wavelengths.
What type of MEMS mirror does Hamamatsu make?
Hamamatsu makes electromagnetic mirrors, which consist of a magnet and a MEMS mirror chip. The basic operating principle of electromagnetic mirrors is shown in the figure below. When an electrical current flows into the coil on the MEMS mirror, the mirror tilts according to the Lorentz force.
See MEMS mirrors on our main website
Figure 1. An electromagnetic mirror’s structure and basic operating principle
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What are the advantages of electromagnetic mirrors?
The advantages of electromagnetic mirrors include the following:
- Low voltage operation (up to 12 V)
- Large torque
- Large tilt angle
What is the relationship between mechanical deflection angle and optical deflection angle?
As shown in the figure below, the mechanical deflection angle and optical deflection angle have the following relationship:
Optical deflection angle = 2 x Mechanical deflection angle
Hamamatsu uses the optical deflection angle in our datasheets.
Hamamatsu Photonics K.k Sound Cards & Media Devices Driver Windows 7
Can you sell MEMS mirrors in chip form?
We do not sell MEMS mirrors in chip form. The MEMS mirror packaging and assembly are very critical factors for obtaining the performance described in the datasheet. Therefore, we cannot sell these components separately.
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What is the relationship between resolution and frame rate?
In raster scanning, there is a trade-off between vertical resolution and frame rate. The horizontal scanning time is determined by the resonant frequency of the fast axis (fixed frequency). When you increase the horizontal resolution, the time to scan a whole frame also increases. Therefore, it results in a slower frame rate. Typical vertical resolution and frame rate values are shown in the table below.
Table 1. Vertical resolution and frame rate values
What is a MEMS mirror?
MEMS stands for micro-electro-mechanical systems, and a MEMS mirror is a small moving mirror etched on a silicon wafer using MEMS technology. By using a MEMS mirror, you can reduce the size of the whole scanner to a few cm cube.
How are resonant and linear mirrors different?
A resonant mirror moves in a continuous sinusoidal motion at the fixed frequency, usually 1 kHz to tens of kHz. You can get a wide mirror angle with a small driving electric current. For example, our S13989-01H resonant mirror is capable of +/-20 deg. optical angles with +/-25 mA driving current.
A linear mirror tilts its angle according to the driving current. You can stop the mirror at the desired angle or operate it in continuous movement. However, in continuous mode the speed is usually limited to tens of Hz.
Why do you need a feedback loop for the resonant axis frequency?
The mirror’s tilt angle is significantly affected by even a slight shift in the resonant frequency. The resonant frequency can shift over time and when the temperature changes. The feedback loop adjusts the mirror driver frequency to match the shifted resonant frequency, so it can minimize the tilt angle instability.
- If you’ve got a technical question you’d like to see answered on this page, email us.
Hamamatsu Photonics K.k Sound Cards & Media Devices Driver Download
Meet the engineers
Hamamatsu Photonics K.k Sound Cards & Media Devices Driver
Mario is a MEMS mirror applications engineer. A music enthusiast, his keen interest in audio systems and electric guitar drew him to electrical engineering. Sound analysis of shamisen, a Japanese musical instrument, was the focus of his graduate studies. Mario still enjoys music-related hobbies such as building audio speakers, playing the jazz guitar, and salsa dancing.