Fuzhou Esteemoptics Co.,Ltd

FEATURED IN OPTICAL COATING, HIGH POWER MIRRORS, BANDPASS FILTERS, PRECISION OPTICS.

PRODUCTS > OPTICAL COMPONENTS > WINDOWS > CALCIUM FLUORIDE WINDOWS

¡§ Transmission Range: 170-7800nm

¡§ Refractive Index: 1.399@ 5000nm

¡§ Little Hygroscopic Susceptibility

¡§ High Thermal Expansion Coefficient: 18.85 x 10-6K

¡§ It is applicable for wide rang spectrum, and it is particularly useful for IR laser application.

FEATURES

¡§ Specifications:

¡§ Material: Calcium Fluoride single crystal

¡§ Diameter Tolerance: +0.0, -0.1mm,

¡§ Thickness Tolerance:  +/-0.2mm

¡§ Clear Aperture: >80%

¡§ Parallelism: 1 arc minute

¡§ Flatness: ¦Ë/2 at 632.8 nm

¡§ Surface quality: 80-50 scratch and dig

¡§ Protective Bevel

Standard Size

How to Order:

For Example: WIN4101

(Part Number)

Notes:

Other size are also available upon request.

Part No

¦µ (mm)

T (mm)

WIN4601

10.0

0.5

WIN4101

12.7

2.0

WIN4201

25.4

3.0

WIN4302

38.0

5.0

WIN4402

50.0

3.0

WIN4401

50.0

8.0

WIN4501

76.2

10.0