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High performance balanced detector balanced polarization detector
High performance balanced detector balanced polarization detector
Product details
Product Introduction
Shanghai Yichi Optoelectronics provides you with balanced detectors optimized for ultra short pulse lasers (<1 picosecond) Two types of standard modules are suitable for ultrafast pulse width lasers with repetition rates of 0.1 KHz – 5 KHz and 200 kHz – 200 MHz, respectively. As shown in the figure on the right, the module provides SMA interfaces for channels A, B, and A-B simultaneously to meet the diverse needs of users. It is worth noting that when detecting short pulse laser beams, even if the light input power is very low, the detector will frequently saturate. Meanwhile, due to the sensitivity of the detection system to the angle of the quarter wave plate, the measurable window is often very small and unstable, which limits the linear response range of the detector. Our TTT-BPD series balanced polarization detection module has been specially optimized to address the above issues, and has excellent stability and ease of operation. This system is suitable for the following scenarios (but not limited to):
Magneto optical Kerr effect measurement system
Terahertz spectroscopy system
Other scenes that require detection of optical polarization
matters needing attention
Please handle precision instruments with care.
Using and storing in non-standard environments can lead to a decrease in module performance.
Unauthorized dismantling of the mold assembly will result in the immediate invalidation of warranty services.
Shanghai Yichi Optoelectronics provides you with balanced detectors optimized for ultra short pulse lasers (<1 picosecond) Two types of standard modules are suitable for ultrafast pulse width lasers with repetition rates of 0.1 KHz – 5 KHz and 200 kHz – 200 MHz, respectively. As shown in the figure on the right, the module provides SMA interfaces for channels A, B, and A-B simultaneously to meet the diverse needs of users. It is worth noting that when detecting short pulse laser beams, even if the light input power is very low, the detector will frequently saturate. Meanwhile, due to the sensitivity of the detection system to the angle of the quarter wave plate, the measurable window is often very small and unstable, which limits the linear response range of the detector. Our TTT-BPD series balanced polarization detection module has been specially optimized to address the above issues, and has excellent stability and ease of operation. This system is suitable for the following scenarios (but not limited to):
Magneto optical Kerr effect measurement system
Terahertz spectroscopy system
Other scenes that require detection of optical polarization
We also provide integrated optical components and automatic control modules for the overall system. For more information, please refer to the TTT-ABPD series automatic balanced polarization detection module.
Product parameters
| Working wavelength |
From 340 to 1100 nanometers, the peak response wavelength is 960 nanometers |
| Sensor size |
5.8 millimeters by 5.8 millimeters |
| Optical responsivity |
0.64 A/W |
| bandwidth |
1k version: 20 kHz (optimal for 0.1 kHz-5 kHz laser) 200k version: 400 kHz (optimal for 200 kHz – 200 MHz lasers) |
| Electrical interface |
SMA (Port A, Port B, Port A-B) |
| Conversion gain |
Port A-B: 500 kV/A, Port A & Port B: 20kV/A |
| Power interface |
Hirose 4 pin, 12±1 VDC 1A |
| System size |
75mm x 60mm x 16mm |
matters needing attention
Please handle precision instruments with care.
Using and storing in non-standard environments can lead to a decrease in module performance.
Unauthorized dismantling of the mold assembly will result in the immediate invalidation of warranty services.
Shanghai Yichi Optoelectronic Technology Co., Ltd
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