Position Sensitive Detectors
![One-dimensional position-sensitive detector One-dimensional position-sensitive detector](/fileadmin/_processed_/b/b/csm_one-dimensional-position-sensitive-detector-26-37_ee07bc21ca.png)
![One-dimensional position-sensitive detector One-dimensional position-sensitive detector](/fileadmin/_processed_/b/b/csm_one-dimensional-position-sensitive-detector-26-37_79570cf4c4.png)
A one dimensional PSD makes continuous detection of the position of a laser spot along one axis possible.
![Highly sensitive phototransistors for low levels of light Highly sensitive phototransistors for low levels of light](/fileadmin/_processed_/1/2/csm_psd-smd-design-26-37_9e51d4564b.png)
![Highly sensitive phototransistors for low levels of light Highly sensitive phototransistors for low levels of light](/fileadmin/_processed_/1/2/csm_psd-smd-design-26-37_c1403ff2c7.png)
A two dimensional PSD makes continuous detection of the position of a laser spot along two axes possible. I
![Highly sensitive phototransistors for low levels of light Highly sensitive phototransistors for low levels of light](/fileadmin/_processed_/1/2/csm_psd-smd-design-26-37_9e51d4564b.png)
![Highly sensitive phototransistors for low levels of light Highly sensitive phototransistors for low levels of light](/fileadmin/_processed_/1/2/csm_psd-smd-design-26-37_c1403ff2c7.png)
Phototransistors have a sensitivity to light that is magnitudes higher than conventional PSDs.
![PSD with integrated preamplifier PSD with integrated preamplifier](/fileadmin/_processed_/2/7/csm_psd-integrated-amplifier-26-37_3a20418c91.png)
![PSD with integrated preamplifier PSD with integrated preamplifier](/fileadmin/_processed_/2/7/csm_psd-integrated-amplifier-26-37_0e26406dbf.png)
SPC PSDs are position sensitive detectors with integrated signal processing circuitry.
![Two-dimensional PSD Two-dimensional PSD](/fileadmin/_processed_/3/0/csm_two-dimensional-psd-26-37_1a1d6c5f9d.png)
![Two-dimensional PSD Two-dimensional PSD](/fileadmin/_processed_/3/0/csm_two-dimensional-psd-26-37_fab211c2d5.png)
PSDs as alternative to scanning systems.
![Quad Cell Silicon Photodiode Quad Cell Silicon Photodiode](/fileadmin/_processed_/0/a/csm_p-type-26-37_e64828556d.png)
![Quad Cell Silicon Photodiode Quad Cell Silicon Photodiode](/fileadmin/_processed_/0/a/csm_p-type-26-37_d20a24fbe4.png)
Thanks to the small areas of the individual segments differential diodes are well suited for high resolution and fast position measurements.
![](/fileadmin/_processed_/f/e/csm_x-ray-detector-pg29-a2c-26-37_e1d9803a78.png)
![](/fileadmin/_processed_/f/e/csm_x-ray-detector-pg29-a2c-26-37_c80fb5b554.png)
One dimensional silicon detector arrays with 12 single elements. Custom variants also available upon request.
![](/fileadmin/_processed_/4/c/csm_quadrant-photodiode-jqc5r-26-37_ec8eb01543.png)
![](/fileadmin/_processed_/4/c/csm_quadrant-photodiode-jqc5r-26-37_adb39afc3e.png)
The four-quadrant diode JQA5 covers a spectral range from 205 to 355 nm.
![SEEPOS - PSD Signal Processing System SEEPOS - PSD Signal Processing System](/fileadmin/_processed_/c/b/csm_seepos-psd-signal-processing-system-26-37_c8eed534ee.png)
![SEEPOS - PSD Signal Processing System SEEPOS - PSD Signal Processing System](/fileadmin/_processed_/c/b/csm_seepos-psd-signal-processing-system-26-37_9345d386da.png)
Compact one or two-dimensional PSD modules with a mount for high-precision position measurements.
![SEEPOS - PSD Signal Processing System SEEPOS - PSD Signal Processing System](/fileadmin/_processed_/c/b/csm_seepos-psd-signal-processing-system-26-37_c8eed534ee.png)
![SEEPOS - PSD Signal Processing System SEEPOS - PSD Signal Processing System](/fileadmin/_processed_/c/b/csm_seepos-psd-signal-processing-system-26-37_9345d386da.png)
Amplifiers for PSDs, Differential Diodes, and Quadrant Diodes